Question

what is synapse how does a message transmit though it &define reflex arc

Answer 1

Synapse is the gap between the nerve is known as synapse ......

I know only this ...,

I hope it help you...

I think that the msg is transmitted by nerve to brain ....

Answer 2

A minute gap between two nerve cells which impulses pass by diffusion. It passes signals from one neuron to another. Synapse is a microscopic gap between two adjacent neurons. ... These chemicals cross the gap and start a similar electrical impulse in the dendrite of the next neuron.
the nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a motor nerve with a synapse between.