Question

State True or False
1. Breathing is also called internal respiration.
2. The gas produced during oxidation of food is carbon dioxide.
3. Nitrogen levels in air remain constant during exhalation and inhalation.
4. Diaphragm is a bone that helps in breathing.

Answer 1

Answer:

T

F

T

F

Is the answer

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Answer 2

Answer:

1. False

2. True

3. False

4. True

Explanation:

Correct answers for the false statements:

1. Breathing is called as external respiration.

3. They vary. i.e they are not constant

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