Male Reproductive System

Question 1

Name the male sex hormone

Answer 1

testosterone

Question 2

List the secondary sex characteristics in men

Answer 2

-growth
-facial hair & body hair
-Deeper voice
-body odour
-acne
-production of sperm cells

Question 3

what is spermatogenesis

Answer 3

a process by which the testicles make sperm cells

Question 4

what controls spermatogenesis

Answer 4

FSH and LH

Question 5

Describe the mechanisms spermatogenesis

Answer 5

-LH triggers the testicles’ testosterone production
-When the quantity of sperm is low, the pituitary gland secretes more FSH
-secreting more FSH triggers the sperm to divide faster and their production increases

Question 6

what is the purpose of an erection

Answer 6

for the penis to get closer to the cervix

Question 7

when does the penis become erect

Answer 7

during sexual stimulation

Question 8

describe the mechanisms of an erection

Answer 8

the arteries dilate and the penis
becomes erect as the spongy tissues fill with blood. In addition, the arteries filled with blood compress the veins and prevent blood from leaving the penis. Since
blood is flowing into the penis faster than it is leaving, the penis lengthens, swells, and hardens.

Question 9

what does FSH do in men

Answer 9

stimulates production of sperm through the testicles

Question 10

what does LH do in men

Answer 10

causes the testicles to make testosterone