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Sience chap. 17


air sacs tiny sacs for holding air in the lungs; alveoli
artificial respiration the stimulation of natural respiratory functions in persons whose breathing has failed or in newborn infants by artificially forcing air into and out of the lungs
ATP adenosine triphosphate: a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions
breathing to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire
bronchi either of the two main branches of the trachea
bronchial tubes a bronchus or any of its ramifications or branches
bronchioles a small branch of a bronchus
cilia minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves
diaphragm a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity
exhalation to emit breath or vapor; breathe out
inhalation to breathe in
lungs either of the two saclike respiratory organs in the thorax of humans and the higher vertebrates
respiration the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells, and the oxidation products, carbon dioxide and water, are given off
trachea tube in humans and other air-breathing vertebrates extending from the larynx to the bronchi, serving as the principal passage for conveying air to and from the lungs; the windpipe
Created by: daisy37311