What is breathing? Explain brifly about breathing.

1.	What is breathing? Explain brifly about breathing.
Answer» 1. The process of inhalation and exhalation of air is called Breathing. 2. During the process of inhalation the air with more oxygen and less carbon dioxide enters the lungs through nostrils. 3. During the process of exhalation the air with more carbondioxide and less oxygen is sent out from the lungs.

Answer»

1. The process of inhalation and exhalation of air is called Breathing.

2. During the process of inhalation the air with more oxygen and less carbon dioxide enters the lungs through nostrils.

3. During the process of exhalation the air with more carbondioxide and less oxygen is sent out from the lungs.

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