Our site uses cookies. Some of the cookies we use are essential for parts of the site to operate and have already been set. You may delete and block all cookies from this site, but parts of the site will not work. To find out more about cookies on this website, see our Cookie Policy

Your browser does not appear to have javascript enabled. This page needs JavaScript activated to work properly. Please enable javascript or choose a different browser (Chrome or Safari)

⚠️ Test Running in Guest Mode

Important: Your final mark will not be saved.

1.1.a. Skeletal and muscular systems Pindrop

Target Level

Running Total

Attempt

1 of 3

Click on a top label, then click on its correct position on the diagram. Or, drag a top label and drop it onto the correct position. Position all the labels before clicking ‘Check’.

Label the parts that make up a motor unit.

Myelin sheath

Sodium ion channel

Action potential arriving at the neuromuscular junction

Muscle fibre

Neuromuscular junction

Synaptic vesicle

Axon

Action potential arriving at the motor neuron

Synaptic cleft

Motor end plate

Neurotransmitter