Illustrated vaginal intercourse-Sexual Intercourse High-Res Vector Graphic - Getty Images

Sexual intercourse , also called coitus , or copulation , reproductive act in which the male reproductive organ in humans and other higher animals enters the female reproductive tract. If the reproductive act is complete, sperm cells are passed from the male body into the female, in the process fertilizing the female egg and forming a new organism. In some vertebrates, such as fish , eggs are laid outside of the body and fertilized externally. To accomplish internal copulation certain body and organic adaptations are necessary. In the human male, the penis serves both excretory and reproductive functions.

Illustrated vaginal intercourse

Illustrated vaginal intercourse

Illustrated vaginal intercourse

Illustrated vaginal intercourse

The head of the penis glans has a covering, called the foreskin prepuce. Doggy style. Oxford Advanced Learner's Dictionary. And if you just can't wait, you can purchase the book, Old spunker horny. As people age, the walls of the vagina of Illustrated vaginal intercourse vagina become more relaxed, and the diameter of the vagina becomes wider 1. Your EZA account will remain in place for a year.

Nessum donna. The foreskin has twelve known functions.

There is some natural variation in the length of the foreskin, which often covers a bit more or less of the glans than illustrated. One of their innovations Illustrated vaginal intercourse to simulate intercourse by having women vagginal a clear plastic dildo to mimic intercourse that could also record changes in Illustrated vaginal intercourse vagina. Available methods include: -Hormonal methods such as the birth control pill "thePill"shot, skin patch, and vaginal ring. Human Sexual Response. Intercpurse Posts. Doggy style position. Congrats on getting married!!! That is so Jessica naked photos free In general,barrier Illkstrated are less effective than IUDs or hormonalmethods. Sexual intercourse:Morality and legality-Various laws, moral rules and taboos surround sexualintercourse. However, it is only a goodoption if you are absolutely sure that youwill never want to conceive a pregnancy. Penis and vagina. That is about half the total skin of the penis. Natural family planning can work well if you and your partner arevery careful.

The video shows that, yes, this is indeed possible.

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From Wikimedia Commons, the free media repository. Subcategories This category has the following 5 subcategories, out of 5 total. Media in category "Penile-vaginal intercourse" The following 89 files are in this category, out of 89 total.

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Vaginal penetration with anal stimulation. Vaginal penetration. Categories : Heterosexual vaginal sex Sex practices involving the penis Humans mating. Namespaces Category Discussion. Views View View source History. In Wikipedia Add links. This page was last edited on 21 July , at Files are available under licenses specified on their description page.

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That is about half the total skin of the penis. The above list was compiled from various sources by George Hill. Long-lasting birth control measures, suchas the intrauterine device IUD , are morecostly when you first pay for them. Anatomy of the Penis, Mechanics of Intercourse This page presents information that most parents are not aware of at the time they make the circumcision decision. Physiology ofHuman Sexual Intercourse 2. Available methods include: -Hormonal methods such as the birth control pill "thePill" , shot, skin patch, and vaginal ring. New York: Bantam Books,

Illustrated vaginal intercourse

Illustrated vaginal intercourse. More from Sex & Relationships

Abadi Yohannes. No Downloads. Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. Human sexual intercourse 1. Physiology ofHuman Sexual Intercourse 2. The terms "sexual intercourse" and "coitus" are used inreference to people.

The term for the higher vertebratesand some other animals is "copulation". Many highervertebrates animals reptiles, birds.

The Act of Sexual Intercourse-Sexual intercourse is usually preceded byforeplay which leads to sexual arousal ofthe partners, resulting in erection of thepenis and natural lubrication of the vagina. The erect penis is inserted into the vaginaand one or both of the partners move backand forth to stimulate themselves and eachother usually to the point of ejaculation andorgasm.

Sexual intercourse: Biology of conception-Coitus is the basic reproductive method of Homo sapiens as of allmammals. During ejaculation, which normally accompanies themale orgasm, a series of muscular contractions delivers semencontaining male gametes known as sperm cells or spermatozoa intothe vault of the vagina. The subsequent route of the sperm from thevault of the vagina, is through the cervix and into the uterus, andthence into the fallopian tubes.

When a fertile ovum from the femaleis present in the fallopian tubes, the male gamete joins with theovum resulting in fertilization and the formation of a new embryo.

When a fertilized ovum reaches the uterus, it becomes implanted inthe lining of the uterus and pregnancy begins. Sexual intercourse should always be considered likelyto result in pregnancy unless adequate contraceptive birth control measures are in force. Outercourse, in which there is sexualactivity without insertion, can be performed withoutresulting in pregnancy provided that semen does notcome in contact with the vulva.

Problems of intercourse-Many males suffer from erectile dysfunction, orimpotence, at least occasionally. Some men also havedysfunction with orgasm in intercourse, calledanorgasmia. Anorgasmia is much more common inwomen, however, and usually needs attention from bothpartners over a long time span to solve. Many women,especially younger women and women with relativelylittle sexual experience, experience difficulty achievingorgasm or may be unable to achieve orgasm. Vaginismusis involuntary tensing of the pelvic floor musculature,making coitus distressing or impossible.

Dyspareunia ispainful or uncomfortable intercourse; it can be due to avariety of reasons. Sexually transmitted diseases STD -Sexual intercourse, like other sexual activities thatinvolve the possibility of transfer of body fluids, is also ameans of propagating sexually transmitted diseases.

Health care professionals suggest that condoms should beused to lessen the risk of contracting STDs, but theyshould by no means be considered an absolute safeguard. The best suggestion is to avoid sexual intercourse withanyone known to have a sexually transmissible disease,and, indeed, with anyone whose disease-negative status isin doubt. Sexual intercourse:Morality and legality-Various laws, moral rules and taboos surround sexualintercourse.

Unlike some other sexual activities, sexualintercourse itself has rarely been made taboo on religiousgrounds or by government authorities. It is believed that allof the cultures that prohibited sexual intercourse entirelyno longer exist, save the Shakers, a sect of Christianity,which has very few adherents. Within some ideologies,coitus has been considered the only "acceptable" sexualactivity. Relatively strict designations of "appropriate" and"inappropriate" sexual intercourse have been almostuniversal in human societies.

Most countries have age of consent laws specifying theminimum legal age for engaging in sexual intercourse. Sexual intercourse with a person against their will, orwithout their informed consent informed legal consent, iscalled rape and is considered a serious criminal law crimein most cultures.

Birth Control What is birth control? It allowsyou to choose whether or when to have a child. Most women can become pregnant from theage when they start their menstrual periodsuntil their late 40s or early 50s. During themany years before menopause, using birthcontrol is key to avoiding an unplannedpregnancy.

Which birth control methodshould I use? Each has itsown pros and cons. Learningabout all the methods will helpyou find the one that is right foryou. Available methods include: -Hormonal methods such as the birth control pill "thePill" , shot, skin patch, and vaginal ring.

Theintrauterine device IUD contains a hormone. Hormonebirth control works very well. It prevents pregnancy bystopping monthly egg production.

It can also relieveheavy periods and cramping. An IUD is placed in theuterus through the vagina and cervix. The IUDinterferes with a sperm as it tries to reach and fertilizean egg. It can also stop a fertilized egg from implantingand growing into an embryo.

IUDs work very well for 5to 10 years at a time, and are far safer than they weredecades ago. The hormonal IUD can also help withheavy periods and cramping. In general,barrier methods are less effective than IUDs or hormonalmethods. To make a barrier work as well as possible, you use itwith a spermicide. This kills any sperm that get past the barrier,before they can travel through the cervix. Dr John R.

Taylor, co-author of two medical anatomical papers about the foreskin, explains the latest research at the Ridged Band website. This illustration represents an average normal adult human penis. The head of the penis glans has a covering, called the foreskin prepuce.

This covering folds in on itself, forming a double layer. There is some natural variation in the length of the foreskin, which often covers a bit more or less of the glans than illustrated. In an average circumcised adult man, the area of skin that is missing because of penile reduction surgery would, when erect and unfolded, measure approximately three by five inches, or a little smaller than a postcard.

That is about half the total skin of the penis. When fully retracted, the foreskin is designed to cover essentially the entire penile shaft, yet is loose enough to "glide".

The ridged bands are situated about halfway down the shaft, when the foreskin is retracted fully. Note: In some cases, a man may have difficulty retracting the foreskin. This is not an indication for circumcision, because there are good alternative treatments available that preserve the structure and function of the foreskin. See also the excellent animation at Circumstitions.

These structures each have their own feeling, and each contributes in its own way to the man's total experience of lovemaking. It must be emphasized that emotional excitement is an extremely important component of sexual enjoyment, and intensifies the man's perception of any physical sensations from his penis.

Following circumcision, the foreskin of the penis has been cut away. The surface of the glans has developed a thick, dry layer of keratin toughened skin , which makes it less sensitive to unwanted stimulation, but also less sensitive to the more subtle qualities of lovemaking. All circumcised men have an annular scar on the shaft of the penis. The location of the scar varies, from near the head to far down the shaft. For some men, so much skin has been removed that erection becomes difficult and even painful.

This was one of the most common complaints reported by circumcised men in a recent poll. During intercourse the loose skin of the intact penis slides up and down the shaft of the penis, stimulating the glans and the sensitive erogenous receptors of the foreskin itself. On the outstroke the glans is partially or completely engulfed by the foreskin. The gliding mechanism is Nature's intended mechanism of intercourse. As such, it contributes greatly to sexual pleasure.

Also, since more of the loose skin of the penis remains inside the vagina, the woman's natural lubrication is not drawn out to evaporate to a great extent, which makes sex easier without using artificial lubricants.

Although still pleasurable for the man, intercourse without the participation of the prepuce lacks the gliding mechanism. The only source of stimulation is the glans rubbing against the wall of the vagina. The sensations from the specialised receptors of the frenar band, frenulum and inner foreskin layer are missing. If the surgery was performed on an infant, by adulthood a relatively thick keratin layer will have formed on the normally skinless mucosal surface of the glans, which further reduces the stimulation.

If the circumcision was performed as an adult, the keratin layer will form, and the sensitivity of the glans will gradually be reduced over time.

Non-penetrative sex - Wikipedia

Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects of vaginal , anal , or oral sexual activity, but includes various forms of sexual and non-sexual activity, such as frottage , mutual masturbation , kissing , or cuddling.

People engage in non-penetrative sex for a variety of reasons, including as a form of foreplay or as a primary or preferred sexual act.

While non-penetrative sex or outercourse is usually defined as excluding sexual penetration, [1] [2] [3] some non-penetrative sex acts can have both non-penetrative and penetrative components and may therefore still be categorized as non-penetrative sex. Oral sex, for example, which can include oral caress of the genitalia , as well as penile penetration of the mouth or oral penetration of the vagina, may be categorized as non-penetrative sex.

The words penetration and penetrative may be restricted to penile-vaginal penetration, and, in this way, the definition of outercourse additionally includes penetrative anal sex, with the term outercourse used to contrast the term sexual intercourse as vaginal sex. The term heavy petting covers a broad range of foreplay activities, typically involving some genital stimulation, but not the direct act of penetrative sexual intercourse.

Frottage is the general term for the act of rubbing any part of the body, including the buttocks, the breasts, abdomen, thighs, feet, hands, legs and sexual organs against the sexual organ of another person; this is done whether naked or clothed and is more commonly known as dry humping or dry sex. Couples may engage in frottage as a form of foreplay or simply as a method to achieve sexual gratification without the penetrative aspects of vaginal, anal or oral sex, which may also be their personal way of preserving virginity [7] [8] or their way of practicing safer sex.

Mutual masturbation also called manual intercourse usually involves the manual stimulation of genitals by two or more people who stimulate themselves or one another. It is also done as part of a full repertoire of sexual activity, where it may be used as foreplay, [26] while, for others, it is the primary sexual activity of choice. Types of mutual masturbation include the handjob the manual sexual stimulation of the penis or scrotum by a person on a male [27] and fingering the manual sexual stimulation of the vagina , clitoris or other parts of the vulva , by a person on a female.

Sexual stimulation of the genitals by using the feet may also be included, and so may manual stimulation of the anus. Like frottage in general, mutual masturbation may be used as an alternative to penile-vaginal penetration, to preserve virginity or to prevent pregnancy. If no bodily fluids are exchanged as is common , mutual masturbation is a form of safe sex, and greatly reduces the risk of transmission of sexual diseases.

In partnered manual genital stroking to reach orgasm or expanded orgasm, both people focus on creating and experiencing an orgasm in one person. Typically, one person lies down pant-less, while his or her partner sits alongside. The partner who is sitting uses his or her hands and fingers typically with a lubricant to slowly stroke the penis or clitoris and other genitals of the partner.

Expanded orgasm as a mutual masturbation technique reportedly creates orgasm experiences more intense and extensive than what can be described as, or included in the definition of, a regular orgasm. A person using his or her finger, with a small wound, to stimulate a woman's genitals could be infected with HIV found in her vagina's fluids; likewise regarding a man's semen containing HIV, which could infect a partner who has a small exposed wound on his or her skin.

Non-penetrative sex may sometimes be divided into acts that are exclusively non-penetrative and those that are not. In many developed countries , there is a trend where young individuals typically late teens and early twenties engage in casual sex , also known as a hookup. This phenomenon has been termed hookup culture. The term hookup in this context loosely means participating in some type of sexual activity whether it is non-penetrative or penetrative with another individual or group of individuals outside of a romantic relationship.

Hooking up may be in the form of a one-night stand , where the sex acts are contained within a single situation or the individuals may "hook up" on a more consistent basis sometimes known as being "friends with benefits". In addition, hooking up can mean different things to different people. Some individuals believe a hookup is "anything but intercourse", which would include only non-penetrative sex acts. Using birth control and ensuring all individuals present understand that the activity is a hookup with no other expectations can maximize benefits while minimizing risk.

There is a sociocultural viewpoint that because non-penetrative sex usually does not involve a direct exchange of semen or vaginal fluids , and because at no point in exclusively non-penetrative sex acts does anything penetrate the vulva, vagina or anus, these acts are risk free. Although the risks associated with non-penetrative sex acts are significantly less than those associated with penetrative sex, there are still risks that can occur.

Pregnancy can still occur with anal sex or other forms of sexual activity where the penis is near the vagina such as intercrural sex or other genital-genital rubbing where sperm can be deposited near the entrance of the vagina and can travel along the vagina's lubricating fluids; the risk of pregnancy can also occur without the penis being near the vagina because sperm may be transported to the vaginal opening by the vagina coming in contact with fingers or other non-genital body parts that have come in contact with semen.

Like non-exclusive non-penetrative sex acts, STI transmission varies for exclusively non-penetrative sexual activities; some common STIs transmitted through exclusively non-penetrative sex acts, and how they are contracted, are the following: [56].

With regard to non-exclusive non-penetrative sex acts, the risks somewhat increase because there is penetration either of the vagina, anus or mouth and there is the potential for bodily fluids semen, vaginal secretions, saliva to be exchanged. In addition to the aforementioned STIs, the following can be transmitted through non-exclusive non-penetrative sex acts: [57].

The only way for complete protection from pregnancy or STI risk is to completely abstain from all sexual activities. However, there are several ways to decrease the risk, should a person decide to be sexually active. If a person is concerned about the minor risk of pregnancy from non-penetrative sex, there are also several hormonal contraceptive birth control methods that can be used.

Dual protection using both a barrier device and hormonal method can be significantly effective at preventing both pregnancy and STI transmission. From Wikipedia, the free encyclopedia. For another meaning, see Dry sex. Main article: Hookup culture. Sexuality portal. Ross, Lorna D.

Channon-Little, B. Simon Rosser University of Michigan. Rosenthal, Martha Human Sexuality: From Cells to Society, 1st ed. Cengage Learning. Retrieved September 17, New Dimensions In Women's Health. Retrieved August 31, Harvey, Ann L. Weber Odyssey of the Heart: Close Relationships in the 21st Century.

Psychology Press. Retrieved August 30, Retrieved August 21, Our Sexuality. Noncoital forms of sexual intimacy, which have been called outercourse, can be a viable form of birth control.

Outercourse includes all avenues of sexual intimacy other than penile—vaginal intercourse, including kissing, touching, mutual masturbation, and oral and anal sex. Laura M. Carpenter Virginity lost: an intimate portrait of first sexual experiences. NYU Press. Retrieved October 9, Cohen Retrieved October 8, Most people agree that we maintain virginity as long as we refrain from sexual vaginal intercourse.

But occasionally we hear people speak of 'technical virginity' [ Like a Virgin. Retrieved March 12, Conari Press. Durham; Felissa R. Lashley Springer Publishing Company. Retrieved January 29, Retrieved March 4, An Invitation to Health Brief Retrieved August 29, Kalichman Retrieved September 1, The proportion reporting having ever engaged in 'outercourse', defined as sexual contact with neither vaginal nor anal penetration Our Bodies, Ourselves: Menopause.

For some women, outercourse, defined as lovemaking without vaginal or anal penetration This group of methods, sometimes called outercourse, provides options for the satisfaction of sexual desire and orgasm that do not involve the penis penetrating the vagina. Some people consider outercourse to mean sex play without vaginal intercourse, while others consider this to mean sex play with no penetration at all vaginal, oral, or anal.

Collins English Dictionary. Oxford University Press. Vasey; Walter L. Williams Current Anthropology. Retrieved July 4, Auden, a biography, Volume , Part 1. Houghton Mifflin Co. Rising Up. Franzini and Jon Squires, Oxford Advanced Learner's Dictionary. Warner Books.

Illustrated vaginal intercourse

Illustrated vaginal intercourse