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chapter 7

Anatomy and Physiology Key Terms

TermDefinition
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
Created by: Esuvill0