Juxtaglomerular cells monitor blood pressure in:

In the tubuloglomerular feedback mechanism, macula densa cells function by:

The male hormone testosterone is produced by ______________________ cells.

The macula densa contains cells that:

In the kidney, blood travels from the renal artery to the ____________________________ artery.

The descending limb of the Loop of Henle:

The kidney is described as a retroperitoneal organ. This means that:

The ________________________ is a layer of support tissue that anchors the kidney and adrenal glands to the surrounding tissues.

Tubular reabsorption has a key role in:

In males, sperm exit the efferent ductules and enter the __________________________.