reproductive system
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male reproductive system
• made to produce sperm and deliver it to the female • testes make high level of testosterone and millions of sperm after puberty • male urethra carries both urine and semen
female reproductive system
• made to support a developing embryo • ovaries make estrogen • females are born with all their eggs and release one once a month • female urethra does not connect to the reproductive system
male genitalia internal structures
• epididymis • vas deferens • seminal vesicles • prostate gland • cowpers glands
epididymis
stores sperm and lets them mature
seminal vesicles
• produces most of the semen • adds fructose, prostaglandins and proteins
vas deferens
tube that carries sperm up and out during ejaculation
prostate gland
adds fluid to semen and increases sperm movement
cowpers glands
makes a lubricating pre ejaculate fluid pre cum
male external genitalia
• penis • scrotum
penis
• erectile organ that delivers sperm • made up of 3 columns of spongey tissue • a pair of corpora cavernosa and corpus spongiosum
scrotum
• sac that holds and protects the testes and keeps them cool • balls
internal female genitalia
• ovaries • ovulation • fallopian tubes • uterus • endometrium • cervix • vagina
ovaries
make eggs and female hormones
fallopian tubes
• where the egg is picked up • fertilization usually happens here
uterus
• pear shaped organ • the fertilized egg implants and develops here
endometrium
• uterine lining that nourishes the embryo
cervix
• lower part of the uterus that opens into the vagina
vagina
• muscular canal that receives the penis and is the birth canal
external female genitalia (vulva)
1, mons pubis 2. labia majora and minora 3. bartholins glands 4. clitoris
mons pubis
• fatty pad over the pubic bone
labia majora and minora
• skin folds that protect the vaginal opening
bartholins glands
• release fluid that lubricates the vagina
clitoris
• erectile tissue w many nerve endings and involved in sexual arousal
male gonads
testes