click below
click below
Normal Size Small Size show me how
chapter 7
Anatomy and Physiology Key Terms
Term | Definition |
---|---|
carbon dioxide (CO2) | Tasteless, colorless, odorless gas produced by body cells during the metabolic process |
cartilage | Tough, elastic connective tissue that is more rigid than ligaments but less dense than bone |
cilia | Any hairlike structure |
diffuse | Moving or spreading out of a substance at random, rather than by chemical reaction or application of external forces |
homeostasis | State in which the regulatory mechanisms of the body maintain a constant internal environment |
mucous membrane | Moist tissue layer lining hollow organs and cavities of the body that open to the environment; also called mucosa |
oxygen (O2) | Tasteless, odorless, colorless gas essential for human respiration |
pH | Symbol that indicates the degree of acidity or alkalinity of a substance |
septum | Wall dividing two cavities, such as the nasal septum, which separates the two nostrils |
serous membrane | Thin layer of tissue that covers internal body cavities, the cells of which secrete a fluid that keeps the membrane moist; also called serosa |