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Control and Coordination
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26/11/2020 3:21 pm
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State the structural and functional unit of the nervous system. Draw its neat labelled diagram and write two functions.
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26/11/2020 3:25 pm
The structural and functional unit of the nervous system is the neuron.
The functions of the neuron are:
(a) Passing of information takes place
(i) By electric impulse (inside the neuron) and
(ii) In the form of chemicals (At synapse)
(b) Reflex action - spontaneous, involuntary and automatic response to a stimulus to protect us from harmful situations.
For example, on touching a hot object unknowingly we instantly withdraw our hand.