Question

A. Fill in the blanks.
1. Hair and......in the nasal cavity help trap dust and germs.
2.The.......is also known as the voice box.
3. The trachea divides into two branches called............
4. The bronchioles end in minute air sacs called.........
5. Haemoglobin combines with oxygen to form..........
6.The.........is a sheet of muscle below the lungs.
7. The diaphragm moves........
when we breathe in.
8.......is a respiratory disease that occurs as a reaction to certain substances.
6. The​

Answer 1

Answer:

2.Vocal cord

5.RBC

7.outwards

Explanation:

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