neuromuscular system Flashcards
(4 cards)
1
Q
muscle twitch
A
brief contraction
2
Q
neurotransmitter
A
chemical messenger that transmits signal across synapse
3
Q
all or none principle
A
a muscle fibre will either react fully to a stimulus or not at all
4
Q
transient hypertrophy
A
increased size of muscle lasts only for a short period of time
