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प्रश्न
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उत्तर
| ALVEOLI OF INFANT | ALVEOLI OF ADULT |
| 1. Alveoli of the infant is thin and tubular. | 1. Alveoli of the adult is thick and sac-like. |
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संबंधित प्रश्न
Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. Why?
______ is present between thoracic and abdominal cavity.
Given alongside is a diagrammatic sketch of a kind of part in human lungs.
Name the parts numbered 1-4

Write true or false for the following statement. Rewrite the false statement correctly.
The trachea branches into two tubes called bronchioles.
Define the following:
Cough Reflex
Define the following:
Dyspnea
Complete the following statement by choosing the correct alternative from those given below.
Net gain of complete cellular respiration of carbohydrate ______.
Alveoli provide the surface area for exchange of ______.
Match the following:
| 1. | Human intestine | a. | Blue blood |
| 2. | Crab | b. | White blood |
| 3. | Cockroach | c. | Digestion of fat |
| 4. | Bile | d. | Tape warm |
Which one of the following is a part of the human lower respiratory system?
