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Respiration is a catabolic process because of

Respiration is a catabolic (breakdown) process in which complex food molecules such as glucose, fats are oxidized in presence or absence of oxygen to release carbon dioxide, water and energy.

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We will find vocal cords in

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Cluster of air sacs in lungs are called

 3

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Which of the following is correct?


i. the diaphragm contracts – volume of chest cavity increased


ii. the diaphragm contracts – volume of chest cavity decreased


iii. the diaphragm expands – volume of chest cavity increased


iv. the diaphragm expands – volume of chest cavity decreased

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Energy is stored in