Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
Answer
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Nervous Mechanism |
Hormonal Mechanism |
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1. Involves the nervous system |
1. Involves the endocrine system |
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2. Includes the brain, spinal cord and nerves |
2. Includes glands and hormones |
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3. The impulses brought about by nerves don’t have a specific action I.e, the nerves can carry out transmission of information to and from different parts of the body and brain. |
3. The hormones have a specific function I.e, each hormone performs only a set of functions Eg: insulin regulates metabolism of blood sugar Thyroxine regulates overall metabolism and proper growth |
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4. Nerve impulses reach only a limited number of tissues in the body. |
4. Chemical signals reach all the cells |
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5. It is relatively slow |
5. It is relatively fast |
