Stimulation of a muscle fibre by a motor neuron
occurs at
(a) the neuro-muscular junction
(b) the transverse tubules
(c) the myofibril
(d) the sacroplasmic reticulum.
occurs at
(a) the neuro-muscular junction
(b) the transverse tubules
(c) the myofibril
(d) the sacroplasmic reticulum.