________________________________ cells in males supply nutrients to developing sperm and they produce the hormone inhibin.

Suspensory ligaments function by:

In males, the ___________________________ muscle is responsible for elevating the testes in an effort to maintain a stable temperature for sperm.

Which of the following statements is true of urine?

A renal corpuscle is composed of:

When antidiuretic hormone is secreted by the kidney, as much as ________________________ of the water in the filtrate may be reabsorbed.

A(n) ________________________ is defined as a degenerated corpus luteum containing white fibrous tissue.

In the male reproductive system, the ___________________________ are located on the lower part of the posterior surface of the urinary bladder and they function by secreting alkaline, viscous fluid that  contains fructose.

Caffeine serves as a diuretic by:

Juxtaglomerular nephrons contain straight blood vessels known as the vasa recta. These blood vessels specialize in: