Question

What is external respiration?

The action of drawing oxygen rich air into the lungs
The exchange of oxygen and carbon dioxide between the blood and the body tissue
The exchange of oxygen and carbon dioxide between inhaled air and blood
The action of releasing waste air from the lungs
A series of energy-releasing chemical reactions that takes place within the cell

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

External respiration is the respiration that occurs in nose it involves 2 process inhale ( breathe in) and

exhale (breathe out).

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