Question

what is breathing and resporation in organisums
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Answer 1

Answer:

The mechanism by which organisms obtain oxygen from the air and release carbon dioxide is called breathing.Breathing process involves lungs of the organism whereas respiration involves the mitochondria in the cells where food is oxidised to release energy.

Answer 2

Answer:

Breathing is the process of intaking or inhaling oxygen through muscular contraction and exhaling through muscular relaxation of carbon dioxide by the lungs. In physiology, respiration is the movement of oxygen inside and carbon dioxide outside.All aerobic creatures need respiration for the break down of food