PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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With a neat labelled diagram explain the structure of a neuron.
 
a. A neuron is a tiny structure found in the .
 
b. A single neuron can be up to a metre long and is made up of  parts.
 
c. The  is found in the grey matter of the brain’s central nervous system.
 
d. Cell body is also called .
 
e. The granular bodies found in the cell bodies are known as .
f. A single long, cylindrical conducting fibre extending from a neuron is known as an .
 
g. Axon terminals are fragile hair-like structures. Each branch ends in a synaptic knob, which is a bulb-like structure. Synaptic vesicles, which contain substances known as , are found in the synaptic knob.
 
h. Axons carry nerve impulses from the cell body to a .
 
i. The short branched, hair-like fibres of a neuron are called .
 
j. In neurons, the  is absent.
 
k. The part of the neuron which transmits the impulse away from the cell body is .
 
l. The part of the neuron which receive nerve impulse is .
 
m. Which one is helping the production of proteins in nerve cells? .
 
n. Which one is helps in the formation of myelin sheath around the axon?
 
o. A bulb-like structure which contains neurotransmitter is called .