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Sexual Health--Reproductive Systems

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by

G Wano

on 25 September 2013

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Transcript of Sexual Health--Reproductive Systems

Male Reproductive System Female Reproductive System Ovary (plural: Ovaries) provides storage for egg (ova)
produces sex hormones (estrogen, progesterone Egg (ova) female gamete
stored and matures in the ovary
one egg is released from the ovary every 28 days
carries stings of chromosomes that contains mother's genes; if the egg is fertilized, chromosomes will mix with father's chromosomes to create child
if fertilized, egg/zygote will implant in the uterus Uterus houses and protects embryo/fetus/baby
allows for nutrient, oxygen, and waste exchange with placenta
nurishes embryo before placenta grows Cervix the bottom end of the uterus
provides fluids to help sperm travel
creates a mucus plug to keep germs out during pregnancy Labia folds of skin that protect the urethra and vagina openings
(similar to how eyelids protects eyes)
provide sensation; have many nerve endings Bladder provides storage for urine Urethra allows for passage of urine out of the body
opening is below the clitoris but above the vagina
in MALES both urine and semen travel through the urethra (not at the same time)
some women ejaculate a clear liquid from the urethra during orgasm; this is normal and natural and not urine Anus allows for passage of bowel movements (feces)
the opening from the rectum and intestines Testis (singular; testes=plural) also called testicle
produces sperm (male gamete) and sex hormones Epididymus sperm travel from the testis to here
allows for the maturation of the sperm Vas Deferens provide storage for sperm
allow for the passage of sperm
after leaving the epididymis, the sperm travel here Penis allows for the passage of urine and semen
has many nerve endings
on average, when flaccid (limp) measures 3-4 inches; when erect measures 5-7 inches
has a foreskin (glans) that protects the penis; males who have been circumcised do not have this allows for passage of urine out of the body
opening is below the clitoris but above the vagina
in MALES both urine and semen travel through the urethra (not at the same time)
some women ejaculate a clear liquid from the urethra during orgasm; this is normal and natural and not urine Urethra Reproductive System Anatomy and Function Fallopian Tubes
also called oviducts
connect the ovaries to the uterus
the egg travels down these tubes and is usually met here by sperm and fertilized
cells here contain cilia, hair-like structures that help to move fluid and the egg along Vagina
also called the birth canal
an elastic, muscular canal that connects the cervix to the vulva (external female reproductive structures) and the outside
produces fluids to cleanse itself and help sperm travel;
during childbirth, the baby travels down the vagina and into the outside world Clitoris
has no reproductive function
homologous to the penis in males
is the most sensitive area of the human reproductive system Skene's Gland
located on the anterior part of the vagina
releases fluid during sex; it is thought that the Skene’s gland is the site of female ejaculation
some women can release a large amount of fluid (which is sometimes mistaken for urine) from here if they reach sexual climax Scrotum
a sac outside of the body which houses and protects the testes; temperature in the scrotum is 1-2 degrees cooler than normal body temperature, allowing for optimum temperature for sperm growth (sperm count will be lower if it is too hot)
the scrotum moves the testes closer to the body if it is cold, and further away from the body if it is hot Seminal Vesicle
two small glands at ends of each Vas Deferens that secrete a fluid rich in fructose (sugar) that is a source of energy for the sperm
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