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प्रश्न
Fill in the following blank with suitable word :
The neuron which carries a message for action to a muscle or gland is known as a......... neuron.
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उत्तर
A neuron that carries a message for action to a muscle or a gland is known as a motor neuron.
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संबंधित प्रश्न
Nervous system is absent in _____________.
What is the function of receptors and effectors in our body?
The human brain can be broadly divided into three regions. name these three regions.
Draw a flow chart to show the classification of the nervous system into various parts.
The spinal cord originates from:
The junction between two adjacent neurons is called :
(a) nerve junction
(b) sensory junction
(c) synapse
(d) neuro-muscular joint
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?
Put a tick mark (✓) against the correct alternative in the following statement:
The structural and functional unit of nervous system is a
Fill in the blank:
Outer protective layer of skin, called epidermis is made up of ________ tissue.
State whether the following statement is true (T) or false (F):
Retina is present on the outer surface of the eye.
Name the following:
Five sense organs of human beings and the sensation perceived by each one.
What are voluntary and involuntary actions? Which part of the nervous system controls them?
Fill in the blank:
Basic structural unit of the nervous system is the ..................
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton, and axon.
Compare the nervous system and the endocrine system.
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 |
Complete the following sentence with appropriate word :
A bundle of axons enclosed in a tubular sheath is called _________.
Complete the following sentence with appropriate Word
A point of contact between two neurons is termed:
How many pairs of cervical spinal nerves are present in humans?
Loss of function in which nerve would result in paralysis of muscles of mastication?
