Neuromuscular Junction

Match the following about the neuromuscular junction.

• Skeletal muscle fibers

• A

• axon terminal

• D

• axon collateral

• C

• somatic motor neuron

• B

• synaptic end bulb

• E

Tags

NGSS.HS-LS1-2

The gap between a neuron and a muscle cell: (#4 in the diagram)

• synaptic cleft
• sarcolemma
• vesicle
• Ca²⁺ ion

The neurotransmitter stored in the axon terminal identified as #3

• Acetylcholine
• Protein Channel
• Calcium Ion (Ca²⁺)
• Syanptic Cleft

The organelle that stores ACh in the axon is identified as #4

• Motor Neuron
• Axon Terminal of Motor Neuron
• Sarcolemma
•  Vesicle

The specialized part of the cell membrane of the muscle fiber identified as #5

• Sodium ion (Na⁺)

• Axon Terminal of Motor Neuron

• motor end plate

• Vesicle

The organelle containing actin and myosin identified as #9

• ACh
• Sarcolemma
• Vesicle
• Myofibril

This is a neurotransmitter used to create a muscle impulse

• Acetylcholine
• Calcium Ions (Ca²⁺)
• Sodium Ions (Na⁺)
• Protein Channels

What is number 4 pointing to?

• synaptic cleft
• sarcolemma
• subneural clefts
• Ca++

Which number is pointing to the integral protein or ACh receptor?

• #1

• #2

• #3

• #4

What is number 5 pointing to?

• a muscle cell

• a sarcomere

• a synapse

• a neuron