Biology, asked by Silentgirl916, 27 days ago

give an exact definition for respiration

Answers

Answered by chamundeschamundes4

Answer:

respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction. ... In contrast, exhalation (breathing out) is usually a passive process.

Explanation:

Respiration is the process of gas exchange between the air and an organism's cells. Three types of respiration include internal, external, and cellular respiration. ... It involves inhalation and exhalation of gases. Internal respiration involves gas exchange between the blood and body cells.

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