Biology
Compare the hormonal response with the nervous response with respect to their speed, transmission and general nature of changes brought about.
Answer
| Hormonal Response | Nervous Response |
|---|---|
| Usually slow. | Immediate/Rapid. |
| Transmitted chemically through blood. | Transmitted electro-chemically through the nerve fibres and chemically across synapses. |
| Affects different organs (widespread in body). | Affects only the particular muscles or the gland (local). |
| Effect is short term or long-lasting. | Effect only short-lived. |
| Can affect growth. | Cannot affect growth. |
| Can bring about specific chemical changes and regulates metabolism. | Does not influence chemical changes and cannot regulate metabolism. |
| Cannot be modified by learning from previous experience. | Can be modified to some extent by learning from previous experience. |
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(a) Name the parts numbered 1 to 4.
(b) What is common to all these parts in regard to the nature of their functions?
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