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Sience chap. 17
Respiration
Question | Answer |
---|---|
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 |