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Introduction to Breathing

During exhala...

Question

During exhalation, the ribs ______.

move outwards

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move downwards

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move upwards

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do not move at all

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Solution

The correct option is B
move downwards

When we exhale, the ribs go back down to their normal position. The air is forced out of the lungs, so they become smaller.

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Similar questions

During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all

Tick the correct answer:

(a) In cockroaches, air enters the body through

(i) lungs

(iii) spiracles

(iv) skin

(b) During heavy exercise, we get cramps in the legs due to the accumulation of

(i) carbon dioxide

(iv) water

(i) 9-12

(ii) 15-18

(iii) 21-24

(iv) 30-33

(d) During exhalation, the ribs

(i) move outwards

(ii) move downwards

(iii) move upwards

(iv) do not move at all

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