Question

5. Choose the correct option Assertion (A). The four chambered heart does not mix oxygenated and deoxygenated blood.
Reason (R): Four chambered heart is found in mammals with advanced body functions
(a) Both Assertion and Reason are true and reason is the correct explanation of the assertion
(b)Both assertion and reason are true but reason is not the correct explanation of assertion
(c) Assertion is true but Reason is false
(d) Assertion is false but Reason is true​

Answer 1

Answer:

In four chambered heart, left half is completely separated from right half by septa. This prevents oxygenated and deoxygenated blood from mixing. This allows a highly efficient supply of oxygenated blood to all parts of the body.