The structure that stores maturing sperm until they are released by the male reproductive system is the
a. epididymis.
b. penis.
c. urethra.
d. vas deferens.

The correct answer should be a. epididymis.

That is the part where sperm matures before it is transfered into vas deferens, which is a duct that leads the sperm outside into the urethra.

He is right answer is a for all you guys that need I got a 100

The answer is C..exhalation.

Exhalation is the other for expiration. It is the flow of the respiratory current out of the organism, opposite to the inhalation which is the flow of the respiratory current to the organism. Through exhalation body rids of not only an air rich of carbon dioxide, but also it gets rid of unwanted water and heat.