What is the importance of Excretion and Osmoregulation ?

The importance of excretion are:

1) It removes the waste products and toxic materials from the body.

2) It eliminates the excess of material from our body, like, soluble vitamins, drugs.

3) Maintain the pH of body fluids.

The importance of osmoregulation are:

1) Maintains water balance in the body.

2) Regulates the salt content in the body.

3) Regulation of blood pressure.

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Excretion

The removal of harmful and unwanted toxic waste products of metabolism is known as excretion.

Osmoregulation

The process by which the water content and the ion concentration is regulated and kept constant in the cells is known as osmoregulation. This process results in maintaining the osmotic pressure in the blood and tissue fluids.

The two physiological processes, excretion and osmoregulation are interconnected as they both are responsible for bringing about homeostasis in the body. The physiological mechanisms involved are intimately bound with each other, so much so, in higher vertebrates like mammals, kidneys perform both functions, excretion and osmoregulation.

The terms secretion and egestion are often confused with excretion. Hence it is important to understand clearly what they mean.

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