Question

What is the significance of mammals having a four chambered heart??​

Answer 1

Answer:

in four chambered heart,left heart is completely separated of 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 .this is useful in animals that have high energy needs ,such as birds and mammals .

I hope it's helpful to you .........and good afternoon ..