Name two systems which taken together perform the functions of control and coordination in human beings.

What is a neuron? Draw a labelled diagram of a neuron.

What is a synapse? What happens at the synapse between two neurons? How are the messages carried across a synapse? Explain with the help of a labelled diagram.

What does the central nervous system in humans consist of? What is the job of the central nervous system?

Give the various functions of brain.