The physical gap between two neurons across which messages are transmitted is called the: Synapse.
In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell.
Synapse is defined as the point of contact between the terminal branches of the axon of one neuron with the dendrite of another neuron. The synapse is formed between presynaptic and postsynaptic neurons. It is known as the neuromuscular junction between a neuron and muscle. The conduction of nerve impulses from an axon terminal of a neuron to the dendrites of the next neuron occurs through a synapse. It can be electrical or chemical.
The synapse contains a small gap separating neurons.
The synapse consists of a presynaptic ending that contains neurotransmitters, mitochondria and other cell organelles.
Hence, The gap between two neurons is called a Synapse.
So, the correct answer is 'Synapse'.
Learn more about neurons here:
https://brainly.com/question/24217914
#SPJ4
