unit 15 reproductive

Question 1

common purpose of reproductive organs

Answer 1

produce gametes and secrete hormones

Question 2

endocrine products of testes

Answer 2

testosterone

Question 3

exocrine products of testes

Answer 3

spermatozoa; seminiferous tubules

Question 4

composition of semen

Answer 4

sperm (from testes) and fluid (from seminal vesicles)

Question 5

circumcision

Answer 5

removal of foreskin - prepuce

Question 6

erection

Answer 6

when erectile tissue fills with blood during sexual excitement

Question 7

ejaculation

Answer 7

sperm is propelled to ductus deferens

Question 8

vasectomy

Answer 8

cut off vas deferens at level of testes to prevent sperm travel

Question 9

spermatogenesis

Answer 9

stimulated by FSH; 2n - n; meiosis 1 and 2 division

Question 10

meiosis

Answer 10

2 divisions; 46 chromosomes to 23 sex cells

Question 11

structure of sperm

Answer 11

tail= movement
acrosome= contains nucleus that releases enzymes
midpiece= mitochondria

Question 12

FSH effect on testes

Answer 12

create sperm

Question 13

LH effect of testes

Answer 13

testosterone production

Question 14

vesicular follicle

Answer 14

growing follicle with a maturing oocyte

Question 15

corpus luteum

Answer 15

follicle minus ejected egg

Question 16

oogenesis

Answer 16

producing ova

Question 17

oogenesis compared to spermatogenesis

Answer 17

sperm need to be made when females already have eggs readily available

Question 18

FSH influence on ovary

Answer 18

mature the egg; meiosis inside follicle

Question 19

LH influence on ovary

Answer 19

causes ovulation

Question 20

several ways pregnancy alters body

Answer 20

• enlargement of uterus
• lordosis
• relaxation of pelvic ligament and public symphysis
• GI system - urinary - respiratory - cardiovascular

Question 21

stages of labor

Answer 21

dilation
expulsion
placental stage

Question 22

seminiferous tubules

Answer 22

sperm formation

Question 23

follicle cells surrounding immature egg will

Answer 23

produce estrogen

Question 24

progesterone targets

Answer 24

breasts and uterus

Question 25

3 stages

Answer 25

menstruation stage (3-5 days) proliferation stage (6-14 days) secretory stage (15-28 days)

Question 26

sperm + egg =

Answer 26

zygote (46; 2n) - embryo - fetus

Question 27

I maturing follicle produces how many sperm

Answer 27

4

Question 28

I maturing follicle produced how many eggs

Answer 28

1

Question 29

epididymis

Answer 29

transport and mature sperm

Question 30

mammary glands

Answer 30

influenced by hormones; oxytocin and prolactin

Question 31

fertilization takes place

Answer 31

in uterine tube

Question 32

hCG

Answer 32

hormone detected on pregnancy stick

Question 33

endometrium

Answer 33

inner wall of uterus

Question 34

amnion

Answer 34

fluid filled sac around embryo