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प्रश्न
Distinguish between the following pair of words:
Nervous system and hormonal system
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उत्तर
| Nervous system | Hormonal system |
| (i) It co-ordinates the body through electrical impulses. | (i) It secretes hormones. |
| (ii) The nervous system controls muscle movement, senses, heartbeat, breathing, digestion, memory and speech | (ii) The endocrine system controls levels of glucose in the blood, hydration levels, heat productivity, sexual maturity, sperm and egg production and growth of cells and tissues. |
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