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प्रश्न
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
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उत्तर
- Enzymes break down neurotransmitters after passage to prevent excessive activation of postsynaptic cells.
संबंधित प्रश्न
The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:
(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?
Mention the exact location of Epididymis
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Axon, Dendron, Photon, Cyton
Name the following:
Structural and metabolic unit of nervous tissue.
In a synapse, the chemical signal is transmitted from ______.
Label the parts of a neuron in the given figure.
Chemicals which are released at the synaptic junction are called ______.
Write one word for the following:
A bundle of axons enclosed in a tubular sheath.
