Advertisements
Advertisements
Question
What is the role of the diaphragm in respiration in human beings?
Advertisements
Solution
The diaphragm moves up and down and helps exchange air between the atmosphere and the lungs.
APPEARS IN
RELATED QUESTIONS
The ultimate end parts of the respiratory system in humans are known as
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :
Expiratory reserve volume (ERV)
Put a tick (✓) against the most appropriate alternative in the following statement.
In humans, taken in of the air through nostrils into the nasal cavity is called
Why is the respiratory system necessary?
Find the odd one out. Give a reason for your choice.
skin, heart, lung, liver, kidney
The question has four options. Choose the correct answer:
Covering of lung is called
The question has four options. Choose the correct answer:
Sites of gaseous exchange in the lung are
Match the following:
| 1. | Human intestine | a. | Blue blood |
| 2. | Crab | b. | White blood |
| 3. | Cockroach | c. | Digestion of fat |
| 4. | Bile | d. | Tape warm |
The pulmonary artery carries blood from the lungs to the left atrium.
Lungs have large number of narrow tubes called
