Neurons are cells in the nervous system that send and receive messages ... for scientists to work so hard on an insect wiring diagram, but fruit fly brains actually have quite a bit in common ...

The roundworm C. elegans is a simple animal whose nervous system has exactly 302 neurons. Each of the connections between ...

This diagram summarises how information flows from receptors to effectors in the nervous system.

Muscles and glands are called effectors. The diagram summarises how information flows from receptors to effectors in the nervous system. Receptors are groups of specialised cells. They detect a ...