The Regulators of Life – SSC 2014 Preparation

What is coordination? How does coordination exist in different systems of a living body?

Coordination: Coordination is the orderly execution of the various activities.

In case of multicellular organisms there are many tissues, organs and systems which work in coordination with each other. The meticulous activities of life would not be possible without such coordination.

For example, during feeding in case of man, the morsel of food is seen, observed, smelt and then picked up by hand. Then it is put in the mouth.

In the mouth the teeth masticate the food and turn it into smaller particles. The tongue tastes the food and assists in the process of mixing the food with saliva and gulping.

The saliva secreted by the salivary glands start the digestive process. The digestive process takes place with the help of enzymes. The enzymes are secreted by various digestive glands associated with the alimentary canal.

As result, the complex food is converted into glucose, fatty acids and amino acids, which are absorbed in the blood and carried to each and every cell through the circulatory system.

The undigested food is excreted through the anus. The harmful substances that are formed during the various metabolisms are filtered out by the kidneys and are thrown out of the body in the form of urine.

The constant supply of energy needed to run all these activities is provided by burning glucose, fatty acids, etc. in the presence of oxygen.

The respiratory system continuously supplies this oxygen for the production of energy. In this way, all the systems in the body work in coordination with each other.

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