Question

What are the advantages of separation of oxygenated and deoxygenated blood in birds and mammals??give two points..

Answer 1

Answer:

Explanation:

The oxygenated blood is separated from the deoxygenated blood, which improves the efficiency of double circulation and is probably required for the warm-blooded lifestyle of mammals and birds. The four-chambered heart of birds and mammals evolved independently from a three-chambered heart. both in human and birds..

infact birds contain air sac as well because they fly in air so they require more energy..

Answer 2

Answer:

Separation of oxygenated n deoxygenated blood in birds n mammals provides efficiency in transportation of blood .

Separation also maintains the body temperature of birds n mammals.