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⚠️ 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

Synaptic cleft

Axon

Action potential arriving at the motor neuron

Muscle fibre

Action potential arriving at the neuromuscular junction

Motor end plate

Neurotransmitter

Synaptic vesicle

Neuromuscular junction