Name the following.

1. Respiratory process in which oxygen is not utilized.
2. Respiratory process in which oxygen is utilized.
3. The microscopic air-sacs of the lungs.
4. The two membranes which protect the lungs.
5. Six main parts of the human respiratory system.
6. Two types of respiration.
7. Three phases of respiration.
8. Two steps of breathing.
9. Three common respiratory diseases.

Write one important role of each of the following .

1. Epiglottis
2. Larynx
3. Alveolus
4. Pleura
5. Nasal chamber

Match the terms given in column A with those of column B

Fill in the blanks with suitable words :

1. The …………… emerges from the larynx down below in the neck.
2. The inner lining of trachea consists of …………… epithelium.
3. …………… end up into microscopic alveoli.
4. The volume of chest cavity …………… during inspiration.
5. The amount of …………… gas remains the same in the inspired air and expired air.