Solve this :
2. Why is excretion necessary : Name the common excretory substances in our body
3. What is a uriniferous tubule ? How does it function ?
4. Why is it necessary to maintain a normal osmotic concentration of the blood?
5. If you donate one kidney to a needy patient, would it cause any harm to you ? Give reason.
Dear student,
The solution to your query (2) has been provided below:
2. All cells of our body produce waste products. These waste products are toxic to the body and therefore need to be excreted out. This process of removing waste products produced in the cells of living organisms is called excretion. The main excretory products in human are urea, excess water, salt, etc.
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