An antigen is any substance that the body regards as being foreign, including viruses, bacteria, toxins, and transplanted tissue.

The word part -ion means rupture. 

A diuretic is usually administered to patients with hypertension or heart failure to stimulate the kidneys to increase the secretion of urine to rid the body of excess sodium and water.

An antifungal is an agent that destroys or inhibits the growth of fungi.

If the demand curve for tacos is a downward sloping straight line, at which of the following prices is the demand the most elastic?

The cranial cavity contains the spine.

Hemoglobin is a straw-colored fluid that contains nutrients, hormones, and waste products.

Stem cells are unique, unspecialized cells that are able to renew themselves for long periods of time by cell division.

The prefix exo- means out of, outside, or away from.

Suppose the price of an apple is 50¢ and apples are a normal good. If the price of an apple increases to 60¢, the quantity demanded will decrease because of