PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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YES
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NO
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Either A or B
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None of the above
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Detailed explanation-1: -How are nerve cells specialised? Long axon – they have a long axon to move the impulse from one part of the body to another. Dendrites – They also have many dendrites that contact other nerves. This happens at special junctions called synapses, using neurotransmitters.
Detailed explanation-2: -A neuron is a specialized cell that transmits nerve impulses. Nerve cells possess dendrites that receive signals from other cells. They also have a cell body that carries out the life functions of the cell.
Detailed explanation-3: -Nerve cells They are well suited to their function because: They are thin, and can be more than one metre long in your spinal cord. This means they can carry messages up and down the body over large distances very quickly. Nerve cells have branched connections at each end.