2nd ASSESSMENT QUIZ (muscular system)

muscle group that provides resistance

muscle shape where fascicle taper down a tendon at two ends

FIBERS

term used for skeletal muscle cells

SARCOPLASMIC RETICULUM

membranous structure surrounding myofibrils

TRIAD

form 1 t- tubules and 2 terminal cisterna

ACTION POTENTIAL

travels along the nerve axon

ACETYLCHOLINE

travel across the synaptic cleft

TWITCH

single contraction

MUSCLE TONE

normal tension and firmness of muscle at rest

CREATINE PHOSPHATE

storage molecule for excess ATP energy in resting muscle