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प्रश्न
Distinguish between Cranial nerves and spinal nerves.
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उत्तर
| Cranial nerves | Spinal nerves | |
| 1. | Cranial nerves arise from the brain. | Spinal nerves arise from the spinal cord. |
| 2. | There are 12 pairs of cranial nerves. | There are 31 pairs of spinal nerves. |
| 3. | They are numbered I to XII in Roman numerals. | They are classified into five groups: cervical 8 pairs, thoracic 12 pairs, lumbar 5 pairs, sacral 5 pairs, and coccygeal 1 pair. |
| 4. | Cranial nerves are responsible for cerebral reflexes. | Spinal nerves are responsible for spinal reflexes. |
| 5. | These are of three types: sensory, motor, and mixture. | These are of three types: dorsal branch, the ventral branch, and the yogic nerve. |
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संबंधित प्रश्न
Distinguish between Impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre
Identify the odd one in each set : Cyton, Photon, Axon, Dendron
Mention the exact location of Epididymis
Mention the exact location of Malleus
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called _______________________.
Mention the types of nerves found in humans.
Differentiate between following pair with reference to the aspect in bracket.
Sensory nerve and motor nerve (direction of impulse carried)
Given below is a structure, write its special functional activity.
Myelin sheath and ……………
Name the following:
The third neuron that is involved in reflexes, other than simple reflex.
Name the following:
Structural and metabolic unit of nervous tissue.
Write whether the following is true or false:
Neurotransmitters are released on activation.
Differentiate between:
Rods and Cones.
Classify neurons based on their structure.
Dendrons are the longest fibres that conduct impulses away from the cell body.
______ is the gap between the axon of one terminal neuron and the dendrites of next neuron.
Select the motor nerves from the following group.
Write one word for the following:
Long thread-like part of the nerve cell.
Any factor that can bring a change in the body of an organism is called ______.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Axon endings - Dendrites - Axon - Perikaryon - Dendron (Neuron structur)
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
