Question

What is excretion? Write the steps in urine formation. ​

Answer 1

Answer:

The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body.

Explanation:

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Answer 2

Answer:

the removal of unwanted substances from body is known as excretion...

Explanation:

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