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Question
Differentiate: Nervous control and Hormonal control.
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Solution
| Nervous Control | Hormonal Control |
| The information is sent in the form of electric signals. | The information is sent in the form of chemical signals. |
| The signals travel through nerve fibres to specific target cells like muscle fibres and glands. | The signals travel through blood stream to cells in different organs. |
| Nervous system causes muscles to contract or relax, glands to secrete more or less. But it cannot bring about growth. | Endocrine system brings about changes in metabolic activities of all body tissues. It affects growth. |
| Action is immediate (within few milliseconds.) | Action is slow (can take hours or days to produce response). |
| Effect lasts for a sliort time. | Effect is more lasting and permanent. |
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