Question

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

(b) Both A and R are true and R is not the correct explanation for A

(c) A is true but R is false

(d) A is false but R is true

ASSERTION : Human heart does not allow mixing of oxygen reach blood with carbondioxide reach blood.

REASON : Human heart has different chambers.​

Answer 1

Answer:

A) both a and r are true and r is correct ex. of a

Answer 2

Answer:

D

Explanation:

A is false but R is true