Question

Define: (a) excretion, and (b) osmoregulation

Answer 1

hey mate,
here are the definitions:
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a) excretion=the process excreting the waste( metabolic waste products) from the body is called excretion.
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b) osmoregulation =the process of regulating water potential in order to keep fluid and electrolyte balance within the cell or organism relative to the surrounding. it is important to organism to keep a constant, optimal osmotic pressure within the body.
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Answer 2

Answer:

$\small \underline \frak \red {Excretion}$

The process of removal of unwanted and harmful metabolic waste substances is called excretion.

$\small \underline \frak \red {Osmoregulation}$

Besides removing urea and uric acid from the blood, the kidneys also help in maintaining the water and salt concentration in it. This process is called osmoregulation ( regulation of water and salt content ).

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