Question

what is the use of four chambered heart in mammals and birdsl​

Answer 1

Answer:

The separation of the right side and the left side of

the heart is useful to keep oxygenated and deoxygenated blood from mixing. Such separation

allows a highly efficient supply of oxygen to the

body. This is useful in animals that have high

energy needs, such as birds and mammals, which

constantly use energy to maintain their body

temperature.

Answer 2

Answer:

As a warm blooded animals they use a lot of energy and therefore need a great supply of oxygen that's why mammals and birds have 4 chambered heart