Question

3 life process which are essential for maintaining life and breifly explain the functioning of any of them

Answer 1

Actually, there are 4 essential life processes for maintaining life.
They are:
- Nutrition
- Respiration
- Transportation
- Excretion

Nutrition- It is the process through which an organism obtains energy required for maintenance and growth.

Respiration- Oxidation of food to give out energy and Carbondioxyde is called respiration

Transportation- Oxygen and other minerals should be transported to various body parts and waste should be removed as well. This is done by transportation.

Excretion- Removal of unwanted waste from the body is called excretion.


Hope it helps...
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Answer 2

■ Process essential for maintaining life are:-

♤ Nutrition :- Energy is needed in order to maintain the state of order in our body.

♤ Respiration :- the process in which organism breath oxygen and exhale Carbon dioxide .

♤ Transportation :- the blood transport food , oxygen & waste materials in our bodies.

♤ Excretion :- Removal of harmful waste from the body.

♤ Sensitivity :- respond to stimuli .