Motor Units And Motor Neurons

Question 1

A skeletal muscle can only contact when

Answer 1

Stimulated by an electrical impulse sent from the central nervous system

Question 2

What are motor neurones

Answer 2

They are specialised cells which transmit nerve impulses

Question 3

What is action potential

Answer 3

Is a positive electrical charge inside the nerve and the muscle cells which conducts the nerve impulse down the neuron into the muscle fibres