Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
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
|
