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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
The structural and functional unit of nervous system is a
पर्याय
Axon
Nephron
Neuron
Texon
उत्तर
Neuron
APPEARS IN
संबंधित प्रश्न
Name the three components of a neuron (or nerve cell).
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 ................
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called ..........................
State whether the following statement is true (T) or false (F):
Cerebellum maintains the balance of the body.
Define the term:
Sensory neuron
Complete the following sentence with appropriate word :
Tympanic chamber is filled with _________.
Which part of brain controls vomiting?
Complete the following table:
| No. | Name of Nerve | Type of Nerve | Function |
| 1. | Optic | ||
| 2. | Facial | ||
| 3. | Hypoglossal | ||
| 4. | Trigeminal | ||
| 5. | Auditory | ||
| 6. | Glossopharyngeal |
Trace the sequence of events which occur when you suddenly touch a hot object.
