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प्रश्न
Differentiate between following pair with reference to the aspect in bracket.
cerebrum and spinal cord (arrangement of cytons and exons of neurons).
Distinguish between the following pair:
Cerebrum and spinal cord (arrangement of cytons and axons of neurons)
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उत्तर
| Cerebrum | Spinal Cord |
| The outer layer of the cerebrum, known as the cerebral cortex, contains cytons (neuron cell bodies). Axons are located deeper within the cerebrum. | Cytons are located in the inner gray matter of the spinal cord, while axons are found on the matter itself. |
संबंधित प्रश्न
Distinguish between the following pair of words:
Motor and sensory nerve
Choose the correct answer.
Number of spinal nerves in human beings ______________
Give Technical Term:
The brain and spinal cord together constitute the system known as.
Give Technical Term:
The fluid which fills the central canal of the spinal cord.
The diagram given below shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
(i) Name the parts numbered 1 to 5.
(ii) Using the letters of the alphabet shown in the figure indicate the direction in which an impulse enters and leaves the spinal cord.
(iii) What is the term given to the point of contact between two nerve cells?
(iv) What is meant by ‘simple reflex’ ? Give two examples of simple reflexes and name the stimuli too.
(v) How does the arrangement of nerve cells in the spinal cord differ from that in the brain?
Identify the odd item from the following series of words.
There are ______ pairs of cranial nerves and ______ pairs of spinal nerves.
Which statement is correct regarding spinal nerves in man?
In humans, the number of spinal nerves are ______.
Mention where in the human body is the following located and state its main function:
Central canal
