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4. The neuron has many mitochondria to provide the energy the cell needs to transmit the electrical
impulse. The axon terminals of a neuron contains the vesicles that store the neurotransmitters. These
are released from a pre-synaptic neuron into the synaptic cleft. They cross the gap by diffusion and
bind on the receptors of the dendrites of the post-synaptic neuron. The neurotransmitters are returned
to the original neuron through transporters, a process called re-uptake.
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6. Label the neurones on
the right:
7. Fill the gaps in the text with
appropriate words below:
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one
response
specialized
relay
gland
effectors
speeds
receptors
brain
long