Question

Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.

Answer 1

Ans:


Nervous control


Hormonal Control

1

It is consist of nerve impulses between PNS, CNS and Brain.

1

It consists of endocrine system which secretes hormones directly into blood.

2

Here response time is very short.

2

Here response time is very long.

3

Nerve impulses are not specific in their action.

3

Each hormone has specific actions.

4

The flow of information is rapid.

4

The flow of information is very slow.

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Answer 2

Humans can not use Nervous system for all the task as it has some limitations because after one message is send it need some time for reset of mechanism and it is not everywhere these nerve cell are present to overcome this we have hormonal system , in which chemical message are directly poured in blood stream and it is transferred but it is slow but has a life long effect.
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