Control And Coordination In Animals

Control And Coordination of Class 10

CONTROL AND COORDINATION IN ANIMALS

Multicellular organisms have specialized organ system to coordinate their activities. Simple multicellular organism like Hydra consists of a network of nerve cells. Thus, Hydra has only nervous system to coordinate its activities.

The control and coordination in higher animals (Human) takes place through combination of nervous system and hormonal system, i.e. neuro-endocrine system.

Hydra%20nerve%20net%20

Nervous system of Hydra

NERVOUS CO-ORDINATION IN ANIMALS:

In animals two kinds of co-ordination-nervous & chemical are present. The nervous co-ordination is brought about by the nervous system and the chemical co-ordination by hormones. Both the systems work an integrated system. Infect such a control and coordination requires

  • Gathering information about changes in the external environment.
  • Transmitting this information to the internal cells located away from the body surface and.
  • Exchange of information between the cells situated away from each other.
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