1. A starting or falling back; a rebound; a shrinking; as, the recoil of nature, or of the blood.
2. The state or... Read More
The remainder of an atom from which a nuclear particle has been emitted or ejected at high velocity; the... Read More
Organization of the Respiratory System
Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Often when persons think of ventilation, they think of getting clean or enough air into a room. This... Read More
(1) The smallest unit of matter indivisible by chemical means.
(2) The... Read More
Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More