Life Processes

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The maintenance of living organisms must go on even at the conditions when they are not physically active. Even when we sit idle and during sleeping, this maintenance job through cells functioning has to go on. The life process includes the activities performed by the different organs to maintain the body.

The life processes in the living beings are described below:

Nutrition: The process of obtaining energy through consumption of food is called as nutrition.

Respiration: The process of acquiring oxygen through breathing and make it available to cells for the process of breaking down of organic substances into simpler compounds is called as respiration.

Transportation: Transportation is the process by which the food and oxygen is carried from one organ to other organs in the body.

Excretion: It is the process by which the metabolic waste by-products are removed from the different organs and released out from the body.