muscle initiation Flashcards

1
Q

step 1 ?

A

enable conscious control of muscles, brain sends electrical nervous messages to muscle

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2
Q

step 2 ?

A

messages or signals travel down spinal cord to motor nerves

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3
Q

step 3 ?

A

leaves the spinal cord, motor nerve branches off into smaller motor neurons then divide to attach to muscles

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4
Q

step 4?

A

nerve meets the muscle fibres at a gap, called neuromuscular junction,

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5
Q

step 5

A

neurotransmitter, chemical called acetylcholine helps nerve impulse make the jump

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