Contraction of Muscles

Question 1

Neuromuscular Junction

Answer 1

Motor end plate, the nerve going to skeletal muscle

Question 2

Motor neuron

Answer 2

nerve cell carrying information about movement

Question 3

Neurotransmitter (Acetylcholine)

Answer 3

space between nerve cell (neuron) and muscle cell. The neurotransmitter crosses the space to tell the muscle to get excited via chemical transmitter called Acetylcholine

Question 4

Motor Unit

Answer 4

motor neuron plus 1 or many muscle cells.

1: 1 precise control ex: eye movement
1: 100 is not precise ex: back muscle (big)