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Compare contrast nervous and hormonal mechanisms for control and coordination in animals.
| Nervous system | Endocrine system |
1. It is made of neurons. | 1. It is made of secretory cells called glands. |
| 2. Messages are transmitted in the form of electric impulses. | 2. Messages are transmitted in the form of chemicals called hormones. |
| 3. The brain and the spinal cord constitute the nervous system. | 3. The glands and organs like the thyroid, pituitary glands, and reproductive organs (ovaries and testes) are involved in the endocrine system. |
| 4. The path of transmission of messages is the long fiber nerves. | 4. The path of transmission of messages is the main bloodstream. |
| 5. The nervous system controls both voluntary and involuntary actions. | 5. The endocrine system regulates only involuntary actions. |
| 6. The responses caused by the nervous system are localized. | 5. The responses caused by the endocrine system are widespread. |
Updated on: 06-Jan-2023
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