Question

4 chamber heart of bird and mammal diagram​

Answer 1

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Birds and mammals have 4 chambers (2 atria and 2 ventricles). Differences between the ... Figure 1: The Above diagram adapted

Answer 2

Mammals and birds have four chambered heart as they have high energy needs in order to maintain their body temperature. Seperation of the chambers prevents the mixing of the oxygenated and deoxygenated blood which allows a high efficient supply of oxygen to the body.

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