UTSLAS6

are physical
characteristics present at birth. These are the characteristics that distinguish male from female. In females, these
characteristics include the vagina, uterus, and ovaries. In males, the primary sex characteristics include the penis, testes
or testicles, scrotum, and prostate gland.
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are physical
characteristics present at birth. These are the characteristics that distinguish male from female. In females, these
characteristics include the vagina, uterus, and ovaries. In males, the primary sex characteristics include the penis, testes
or testicles, scrotum, and prostate gland.
Primary sex characteristics
develop during the onset of puberty. For women, the earliest evidence of puberty
are the enlargement of the breasts, onset of menstruation, widening of the hips, enlargement of buttocks and growth of
pubic hair. Testicular body hair, and deepening of voice are some of the first signs of puberty in men.
Secondary sex characteristics
Parts of the female reproductive system
Clitoris, vagina, two ovaries, uterus and cervix.
made of erectile tissue swells with blood and hardens when a woman is sexually aroused
Clitoris
muscular tube that serves as the receptacle for the penis and carrier of the sperm to the uterus. It is
also the birth canal where the fetus passes out of a mother's body.
Vagina
produce, store, and release the egg cell during ovulation.
Two ovaries
hollow organ where the fertilized embryo grows to become a fetus.
Uterus
passage between the uterus and vagina that expands during
childbirth.
Cervix
carry the fertilized egg from the ovary to the uterus. Pregnancy starts form fertilization and end at
birth, for an approximate duration of 260 days
Fallopian tube
Male reproductive system
Penis, testes or testicles, vas deferens, epidiymis, prostate gland
is the organ through which males urinate and deliver the sperm cells into the vagina during sexual intercourse. It is made up of sensitive tissues and nerve endings. When a man is sexually aroused, it becomes erect and allows for penetration.Penislocated in a loose pouch-like sac of skin called the scrotum are responsible for the production of sperm cells and male sex hormones.Testes or testiclestransports the sperm-containing fluid called semen.Vas deferensis a set of coiled ducts connected to the vas deferens where the sperm cells are stored.Epidiymisprostate gland and seminal vesiclesproduce semen and nourish the sperm cells. Ejaculation is the release of sperm cells from the penis. Each ejaculation approximately contains 300 to 500 million sperm cells. Sperm cells can live up 48 hours inside the uterus.Sexual arousal and erogenous zones phases of arousal.Excitement phase, plateau phase, orgasmic phase and resolution phase.the beginning of sexual arousal and can last from one minute to several hours. During this phase, pulse rate increases, blood pressure rises, breathing quickens, and the skin shows a rosy flush particularly on the chest and breast areasExcitement phasechanges in the body continue. In men, the penis becomes more erect, the circumference of its head increases, and few drops of fluid are released. In women, the outer part of the vagina swells with the surge of increased amount of blood to that area, while the clitoris retracts under the clitoral hood but remain highly sensitive.Plateau phasecontractions of the muscles in and around the penis stimulate the release of the semen which contains sperm cells. Men usually achieve one intense orgasm during sexual intercourse. In women, orgasm involves the contraction of the pelvic muscles that surround the vaginal walls and can happen multiple times.Orgasmic phasethe body returns to its normal state after orgasm. In men, the erection is lost, the testes decrease in size, and the skin of the scrotum thins again. In women, the clitoris, and vagina return to their normal state.Resolution phaseinfluence attraction in several ways such as in determining who are appropriate as lovers and spouses. Physical attractiveness refers to the degree to which a person's physical traits are regarded as aesthetically pleasing or beautiful.Relationships are the result of an exchange process. People tend to view relationships as the rewards and costs they entail.Social normsincludes a complex combination of different emotions such as fear, anger, sexual desire, joy and jealousy. In the context of interpersonal relationships, psychologist Robert Stenberg suggests that there are three components of love:Romantic loverefers to the feelings of closeness, connectedness, and bondedness.Intimacy componentsrefers to the drives that lead to romance, physical attraction, and sexual consummation.Passion componentrefers to the decision to love and the commitment to maintain the love.Commitment componentHelen fishers"important Ingredient of love"Lust, attraction and attachmentsexual gratificationLustAssociated with sexual attractionAttractionDesire to connect with other person.Attachmentrefers to a person's sexual identity anchored on what gender they are attracted to.Sexual orientationcaused by gonococcal bacteria which attack the lining of the mucous membrane such as the mouth, throat, vagina, and urethra.Gonorrhoeainfects the genital areas and other parts of the body including the brain and can cause paralysis or even death when left untreated.Syphiliscaused by the bacterium chlamydia trachomatis. In men, chlamydia can cause swollen testicles and a burning sensation during urination. It can result in sterility among women if left untreated because it damages the uterus, ovaries, and fallopian tubes.Chlamydia