Male reproductive system

Question 1

sac that contains & protects the testes outside the body cavity and keeps at a temperature lower that body temp.

Answer 1

Scrotum

Question 2

structure in male that produce sperm and testosterone

Answer 2

Testes

Question 3

tubes that conduct sperm towards the urethra. Male sterilisation involves cutting & typing off these tubes

Answer 3

Vas deferens

Question 4

coiled tubes within the testes that produce sperm. Lined with spermatogonial cells

Answer 4

Seminiferous tubules

Question 5

where sperm cells finish their development and are stored prior to release

Answer 5

epididymis

Question 6

produce of sugar (fructose) that nourishes sperm. Also release prostaglandins, which cause uterine contractions in females & help move sperm towards fallopian tubes

Answer 6

Seminal vesicles

Question 7

produce a fluid (alkaline) that contians a buffer to protect sperm from acidic environment of vagina

Answer 7

Prostate gland

Question 8

produce a mucus- rich fluid prior to ejaculation that protects sperm from acidic environment of urethra

Answer 8

Cowper’s (bulbourethral) gland

Question 9

channel through the penis that allows the passage of urine, sperm and semen

Answer 9

urethra

Question 10

sperm + fluid from seminal vesicles, prostate and Cowper’s gland. Three to four mililiters of __ contain about 400,000,000 sperm cells

Answer 10

semen

Question 11

survival of the fittest

Answer 11

Best fit for environemnt

Question 12

contains enzyme that breakdown the egg barrier

Answer 12

cap/Acrosome

Question 13

contains 23 chromosomes/genetic material

Answer 13

head/Nucleus

Question 14

contains mitochondria that breaks down sugar for energy

Answer 14

middle piece

Question 15

provides the sperm with its mobility

Answer 15

tail/Flagella

Question 16

respond to FSH and “nudge” the spermatogonial cells to make sperm

Answer 16

Sertoli (nurse) cells

Question 17

1.__occurs in seminiferous tubules, 2. __located near the outer walls of tubules & divide by mitosis. this produces spermatocyte that will undergo meiiosis.

Answer 17

1. Spermatogenesis
2. Spermatogonial cells

Question 18

produced in the interstitial cells/Leydig cells (in between seminiferous tubules). promotes the maturation of sperm

Answer 18

Testosterone

Question 19

stimulates spermatogonial cells in seminiferous tubules to produce sperm

Answer 19

FSH

Question 20

released by hypothalamus at the beginning of puberty, which activates the pituitary gland to secrete FSH & LH

Answer 20

GnRH