lnspiratory reserve volume is:
Correct answer: A. 3000 ml
- A. 3000 ml
- B. 6000 ml
- C. 5000 ml
- D. 3500 ml
Explanation
Inspiratory reserve volume (IRV) is the additional volume of air that can be forcibly inhaled after a normal inhalation. It represents the maximum amount of air a person can inhale beyond their tidal volume (the normal breathing volume). The typical value for inspiratory reserve volume is around 3000 ml.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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