The respiratory center that sets the basic rhythm of breathing is located in the ________ oblongata.

Milk is produced by modified sweat glands located in the female ________.

The hormone that increases water reabsorption in the collecting ducts is ________ (abbreviation).

The organ that stores and concentrates bile between meals is the ________.

The valve that prevents backflow from the aorta into the left ventricle is the ________ semilunar valve.

The principle that increased venous return leads to increased stroke volume is the ________-Starling law of the heart.

The transport of oxygen and carbon dioxide between alveoli and blood is called external ________.

The large gland that produces bile and plays a central role in metabolism is the ________.

Immune cells that directly attack infected or abnormal cells are cytotoxic ________ cells.

The tuft of capillaries inside the glomerular capsule where filtration occurs is the ________.