The cation that is necessary for generation and conduction of action potentials and that contributes nearly half of the osmotic pressure of extracellular fluid is

The layer of a blood vessel wall that determines the diameter of the lumen is the

The primary function of capillaries is to permit the exchange of nutrients and gases between blood and tissue cells.

Arrange the following basic layers of the alimentary canal in order from the lumen:

The female structure that is homologous to the scrotum is the labia minora.

The major extracellular fluid compartments are the plasma and the cytosol.

When an antigen is bound to MHC-I, it can stimulate a ________ cell.

Secretin is an enzyme that is liberated by the small intestinal mucosa in response to:

Anabolic processes

If blood hydrostatic pressure is 30 mmHg, blood colloid osmotic pressure is 25 mmHg, interstitial fluid osmotic pressure is 5 mmHg and interstitial fluid hydrostatic pressure is 2 mmHg, the net filtration pressure will be