Q. II. Fill in the blanks.
1. Anaerobic respiration is carried out by
2. In earthworm, air enters the body through
3. In humans, carbon dioxide is excreted through
4. In insects, breathing occurs through openings called
5.
acts as a fuel for working of cells.
Answers
Answered by
0
Answer:
- oxygen
- Moist skin
- lungs or nose
- trachea
5 i can't understand
Explanation:
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