Sperm are formed in tightly coiled tubes that are found _____________.

The ___________ is a gland the produces a thick, yellowish secretion which nourishes and activates the sperm.

The __________ gland surrounds the upper portion of the urethra just below the junction with the urinary bladder.

The helmet-like region of the sperm assists penetration of the egg is called the __________.

The male gonads have both sperm-producing and testosterone-producing functions and are called ____________.

The exocrine function of the testes is ____________.

Peristaltic waves squeeze sperm from the epididymis along to the outside of the male's body during ___________.

Maturing sperm gain their ability to swim while in the ____________.