Question

Compare and contrast nervous and harmonal mechanism for control and coordination in animals

Answer 1

i.Nervous system is made of neurons whereas endocrine system is made of secretory cells called glands.

ii. In nervous system, the messages are transmitted in the form of electrical impulses whereas in endocrine system, the messages are transmitted in the form of chemicals called hormones.

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Answer 2

Answer:

The dissimilarities between these two systems are: - CNS sends message in a form of electrical signals whereas endocrine system releases hormones to send messages. - CNS transmission is quick and short whereas hormonal response is slow and takes time.