Question

1. During inhalation of air:​

Answer 1

Explanation:

When you inhale (breathe in), air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.

Answer 2

Answer:

• When you inhale, air enters your lungs and oxygen from the air moves from your lungs to your blood.
• At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled.
• This process is called gas exchange and is essential to life.

Explanation:

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