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23 Cards in this Set

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process by which an organism is capable of giving rise to a new organism similar to itself
reproduction
gamates form through
meiosis
what is an advantage of sexual reproduction?
new and unique
each germ cell produces how many gametes?
4
gamates have ___ the number of chromosomes of the other body cells
1/2
humans body cells and germ cells have 23 pairs which equals
diploid 2n
gamates have 23 chromosomes which equals a
haploid (n)
what are the testes functions
to produce sperm and testosterone
spermatogenesis occurs here...
serminiferous tubules
stimulus for speratogenesis
FSH(follicle stimulating hormone which act on sertoli cells
intersticial cells around seminferous tubules produce testeosterone
leydig cells
what is the path for the sperm before ejaculation?
move through vas deferens then pass through the seminal vesicles and prostate gland.
on urethra secrete fluid to lubricate the passageway
cowpers glands
site of implantation & fetal development
uterus
inner lining of uterus
endometrium
opening into uterus
cervix
copulatory region
vagina
begining of the cycle; primary oocyte becomes surrounded by..
granulosa or follicle cells
remains of the graafian follicle fill with gland cells and enlarge to form ....
corpus luteum
sensory imputs cause increased awarness arousal, heart rate and breathing
excitement
sustained , intense arousal
plateau
pleasurable, rhythmic, muscular contractions
orgasm
arousal subsides, hear rate, breathing retun to normal
resolution