Question

. Assertion- Human lungs have enormous surface area

for exchange of gases


Reason- In humans, glottis is guarded by epiglottis

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

A.

B) Both A and R are correct but R is not the correct explanation

of A.

C) A is true but R is false.

D) Both A and R is false.​

Answer 1

Answer:

B) Both A and R are correct but R is not the correct explanation