Question

Assertion (A): Lungs always contain a residual volume of air.

Reason (R): It provides sufficient time for oxygen to be absorbed and for carbon di oxide to

be released.

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

b) Both A and R are true and R is not the correct explanation of A.

c) A is true but R is false.

d) A is false but R is true.

e) Both A and R are false.
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Answer 1

Answer:

b) both A and R are true but R is not correct explanation of A