Question

E. Answer in one word. 1. The tubes that carry air from outside to lungs.
2. The air sacs in the lungs.
3. The muscular partition between thoracic cavity and abdominal cavity.
4. The exchange of gases between blood and tissue cells.
5. The gas which turns limewater milky.
6. The air tubes of insects.
7. The apertures on the sides of insect body.
8. Respiratory organs of fish.
9. Tiny pores on the surface of leaves.​

Answer 1

Following lies the answer of the above questions.

1. Trachea (wind pipe).
2. Alveoli .
3. Diaphragm.
4. Internal respiration.
5. Carbon Dioxide Gas.
6. Tracheae (tubes) .
7. Spiracles.
8. The Gills
9. Stomata.

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