1.
Human breathing rate during hard physical work is

2.
The right lung is bigger than the left lung with

3.
The bronchi divide into the lungs and make fine tubes that are known as

4.
The phases of breathing include

5.
The cartilage protects the trachea from

6.
The respiratory disorder in which cells division takes place without any control and causes tumors is called

7.
The respiratory disorder in which the walls of alveoli is destructed is called

8.
The process of intake of oxygen and release of carbon dioxide is classified as

9.
The voice box leads to the trachea which is also known as

10.
The persons suffering from chronic bronchitis at the age

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