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Biology CBSE Live product
Class 7 (2025-26)
Life processes in animals
Revision I - Life process in animals
6.
Lungs and function in breathing
Question:
2
m.
Tick the option that best fits the question.
How do the lungs help in the process of respiration?
1.
What happens when we inhale air into our lungs?
Oxygen enters the blood
Water vapour is absorbed
Carbon dioxide is released
.
2.
What happens when we exhale air out of our lungs?
Water vapour is absorbed
Carbon dioxide is released
Oxygen enters the blood
.
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