Gradually increasing duration and intensity of activity is formally referred to as progression.
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Answer:
a neurotransmitter is a signalling molecule that is created and released by neurones and neurotransmitter travel across the synapse
a neuron is a specialised cell that transmits electrical impulses in the nervouse system
Explanation:
essentially neurotransmitter are just made by neurones, when a neurotransmitter signals another neuron this is what causes this such as muscle movement
Depending on the area there could be organs shutting down, there could be paralysis there could also be a need for amputation depending on the body part.