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.

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

What is the difference between breathing and respiration?

Name the by-products formed during the oxidation of food.