Question

5. Exchange of gases takes place here. - Nostics Mouth Cavity B. Write true or false for the following statement: 들 1. Bronchus is the site where exchange of gases takes place. 2. Blood carries oxygen to each and every cell of the body. 3. The pharynx produces sound and is called voice box. 4. The hair present in nasal cavity filters the air to be breathed in. 5. Food can also be broken down without oxygen. 6. If a person is doing exercise then his breathing rate increases. 7. Roots absorb oxygen needed for respiration through stomata.​

Answer 1

Answer:

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Answer 2

Answer:

B)

1) false

2) true

3) false

4) true

5) true

6) true

7) false

Q5) it takes place in the thoracic cavity

Explanation: