_____ capillaries are the most permeable and have macrophages which inhabit the lining and engulf bacteria that might try to cross the capillary wall.

Atrioventricular valves are anchored to papillary muscles by _____, which holds valves in a closed position during ventricular systole.

The coronary arteries _____.

_____ are lymphoid cells that can capture antigens and then deliver them to the lymphocytes in lymph nodes.

Which of the following is a function of the lymph nodes?

Which of these granulocytes contain histamine, a pro-inflammatory chemical, in its granules?

The _____ pumps blood into the pulmonary trunk.

List the structures that an electrical signal would pass through as it traveled through the heart starting with the SA node.

Increased blood pressure causes elimination of more water in urine, whereas decreased blood pressure causes kidneys to conserve water; both of these situations are examples of _____.

The volume of blood remaining in ventricle after the ventricular ejection phase is known as _____.