Answer: Neuromuscular junction.
- A Synaptic cleft
- B Neuromuscular junction
- C Node of Ranvier
- D Simple reflex arc
Correct answer: B. Neuromuscular junction
Explanation: The neuromuscular junction is the synapse where a motor neuron passes its signal to a muscle fibre.
Structure of a neuron. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Brain, spinal cord, neurons, reflex arcs, and sense organs.