Question

1. the ___ is an external skin sac that holds the testes. *

penis
semen
testosterone
scrotum
testes

1. two small glands that secrete testosterone and produce sperm are the *

penis
semen
testosterone
scrotum
testes

1. ___ is the male sex hormone that controls the production of sperm. *

penis
semen
testosterone
scrotum
testes

Explanation:

1. The scrotum is an external skin sac that holds the testes.
2. The testes are two small glands that secrete testosterone and produce sperm.
3. Testosterone is the male sex hormone that controls the production of sperm.

Answer:

1. Scrotum
2. Testes
3. Testosterone