Everyday Science · Body Systems (Human Biology) · page 5 of 12
Respiratory System MCQs with Answers
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Practice these MCQs in the appRespiratory System MCQs (41–50)
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Past paper MCQs in this chapter · See all past papers
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- 41.
Which part of the body warms, moistens and filters the air before it goes to the lungs?
- 42.
The breathing centre of human body is?
- 43.
Which part of the body has two holes called nostrils; through the nostrils, it takes the air from our surroundings and passes it to the lungs?
- 44.
Presence of cartilaginous ring in respiratory tract acts as?
- 45.
When the lungs expand, air moves in, and when they contract, air moves out. The lungs are unable to move on their own because of which one of the following?
- 46.
The exchange of gases between blood and capillaries takes place at which one of the following places?
- 47.
Pneumonia is caused by inflammation of
- 48.
Which of the following is a gas that we breathe out?
- 49.
Past Paper MCQ
What is the capacity of the Lungs?
- 50.
The air which is inhaled (taken in) through the nose enters the?