The maximum amount of air that our lung can normally hold is:
Correct answer: B. Total lung Capicity
- A. Vital capicity
- B. Total lung Capicity
- C. Tidal Capicity
- D. Functional residual capacity
Explanation
Total lung capacity is the volume in the lungs after a maximum effort of inspiration, and so is the total amount of air the lungs can hold. Total lung capacity is about 6 liters for a healthy adult.
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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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