Question

What happens to the air as it passes through the nose?

Answer 1

After the air passes through the nose, it enters the nasal cavity, where it is purified with the help of mucus with catches the unwanted particles, then it enters the wind pipe which contains more mucus, after that it enters either of the lung and the finally reaches the smallest division of bronchi known as alveoli where it's oxygen is diffused into the blood .

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Answer 2

Answer:

Air enters the respiratory system through the nose. As the air passes through the nasal cavity, mucus and hairs trap any particles in the air. The air is also warmed and moistened so it won’t harm delicate tissues of the lungs.

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