Question

Why is it necessary to separate oxygenated & deoxygenated bloods in
mammals & birds ?
Or
Explain the strategy of transportation of water to the highest points of the
plant body by the Xylem tissue

Answer 1

The mammals and birds are warm-blooded animals which have high energy needs because they constantly require energy to maintain their body temperature. It is necessary to separate oxygenated blood and deoxygenated blood in mammals and birds because such a separation allows a highly efficient supply of oxygen to the body cells which required for producing a lot of energy needed by tgem

Answer 2

Answer:

The separation of the right and left side of heart is useful to prevent oxygenated blood 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 that constantly use the energy to maintain their body temperature.