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प्रश्न
Name the two types of coordination which take place in our body.
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उत्तर
(a) Nervous coordination: By nerves and brain
(b) Chemical coordination: By hormones
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संबंधित प्रश्न
Differentiate between voluntary and involuntary movements.
What are the short fibres of a neuron known as?
The organ A which is located inside the skull of our body is protected by a bony shell B. It is surrounded by three layers membranes C. The spaces between these layers are filled with a liquid D which protects organ A from mechanical shocks. Organ A in combination with another organ E makes up the central nervous system.
(a) What is organ A?
(b) What are B, C and D?
(c) Name the organ E.
(d) While walking barefoot, if we happen to step on a sharp piece of stone, we immediately lift our foot up. Which of the two organs: A or E, is directly involved in this action?
(e) If we step out from a darkened room into bright sunlight, we close our eyes for a moment. Which of the two organs: A or E, is directly involved in this action?
Fill in the blank:
Central nervous system consists of ................. and ................
Complete the following table by filling in the blank spaces.
| Structure | Function |
| Yellow Spot | |
| Transfers impulse from inner ear to brain | |
| Helps to change the focal length of the eye lens | |
| Spinal cord | |
| Oval window | |
| Dynamic equilibrium |
Explain the term: Mixed nerve
Enlist the meninges of human brain.
Pons helps in regulating respiration.
What is the amount of CSF present in and around the CNS?
Which of the following is NOT a part of forebrain?
