Given below are two statements regarding the human respiratory system: Assertion (A): During exhalation, the ribs move outwards. Reason (R): During exhalation, the external intercostal muscles relax, causing the ribs to move inwards and downwards. Choose the correct option:

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Biology · Human Respiration

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

(A) is false, but (R) is true

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Answer 1

Both (A) and (R) are true and (R) is the correct explanation of (A)

Answer 2

Both (A) and (R) are true, but (R) is not the correct explanation of (A)

Answer 3

(A) is true, but (R) is false

Answer 4

(A) is false, but (R) is true

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