In Mammals and birds why is it necessary to separate Oxygenated and Deoxygenated blood?

Question

Answer

Because, this ensure highly efficient supply of Oxygen to release more energy to maintain constant body temperature and other activities.

Answer

The circulatory system in birds and mammals consists of oygenated and deoxydenated blood. However, they have a double circulation system where the oxygenated as well as deoxygenated blood remain separate. This is essential to maintain the body temperature efficiently over a wide range. As mammals and birds require to keep their body warm, they require a higher supply of oxygen. Thus, it is beneficial if the oxygenated blood remains separate as its mixing with deoxygenated blood can make the entire blood impure.

Answer

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

In mammals and birds, it is necessary to separate oxygenated and deoxygenated blood because:

Efficiency of gas exchange: Separating oxygenated and deoxygenated blood ensures that oxygen-rich blood from the lungs or respiratory system is not mixed with deoxygenated blood returning from the body. This separation increases the efficiency of gas exchange by ensuring that oxygenated blood is delivered to the body's tissues, and deoxygenated blood is sent back to the lungs or respiratory system for reoxygenation.

Prevents mixing of toxic substances: Separating oxygenated and deoxygenated blood also prevents mixing of toxic substances that may be present in deoxygenated blood, such as carbon dioxide and metabolic waste products. These substances can be harmful to the body's tissues if they are not removed quickly and efficiently.

Enables high metabolic rate: Mammals and birds have high metabolic rates due to their active lifestyles and high body temperatures. Separating oxygenated and deoxygenated blood is necessary to ensure that the body's tissues receive a continuous supply of oxygen-rich blood to support their high metabolic demands.

Improves circulation: Separating oxygenated and deoxygenated blood also improves circulation by ensuring that blood flows in a one-way direction. This helps to prevent the backflow of blood and ensures that blood is delivered to the body's tissues quickly and efficiently.

In summary, separating oxygenated and deoxygenated blood is essential for efficient gas exchange, preventing the mixing of toxic substances, supporting high metabolic rates, and improving circulation in mammals and birds.

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