The energy produced during cellular respiration is .

1. ADP
2. ADH
3. ATP
4. None of the above

Assertion (A): The main pulmonary artery pumps oxygenated blood from the right ventricle into the lungs.

Reason (R): Inside the lungs, the artery divides and divides several times to form capillaries around the air sacs.

1. A is True, and R is false.
2. A is False, and R is true.
3. Both A and R are true.
4. Both A and R are false.

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.

Vocal cords are found in :

1. Larynx
2. Gullet
3. Pharynx
4. Glottis