Question

In the given diagram label the part ‘ A ‘ and write its function. a) Alveoli – exchange of gases b) Blood capillaries – carry oxygen c)Diaphragm – helps during inspiration and expiration d) Ribs – protect the lungs​

Answer 1

Answer:

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation).

This exchange of oxygen and carbon dioxide is called respiration.

Explanation:

The respiratory system includes the nose, mouth, throat, voice box, windpipe, and lungs.

Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified. Tiny hairs called cilia (SIL-ee-uh) protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.

Answer 2

Answer:

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Explanation:

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