what is the difference between external respiration internal respiration and cellular respiration what is the difference between external respiration internal respiration and cellular respiration
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External respiration occurs in thelungs where oxygen diffuses into the blood and carbon dioxide diffuses into the alveolar air. Internal respirationoccurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.
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Answer: cellular respiration consist of three process (1) glycolysis (2) kreb's cycle(3) Electron transfer system
Explanation: hope u not understand
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