muscle initiation

Question 1

step 1 ?

Answer 1

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

Question 2

step 2 ?

Answer 2

messages or signals travel down spinal cord to motor nerves

Question 3

step 3 ?

Answer 3

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

Question 4

step 4?

Answer 4

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

Question 5

step 5

Answer 5

neurotransmitter, chemical called acetylcholine helps nerve impulse make the jump