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प्रश्न
Differentiate between sympathetic and parasympathetic nervous system with reference to the following:
- Pre and post-ganglionic nerve fibres
- Effect on heartbeat
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उत्तर
| Sympathetic nervous system | Parasympathetic nervous system | |
| 1. | The pre-ganglionic nerve fibres are short and post ganglionic nerve fibres are long. | The pre-ganglionic nerves are long and post-ganglionic nerves are short. |
| 2. | It increases the rate of heart beat. | It reduces the rate of heart beat. |
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