Give the flow chart of the nervous system of the human beings.

Name the source and target organ of adrenaline.

Neuron is the longest cell but does not undergo cell division. Why is it so?

If the effectors are missing in the reflex arc, what will happen?

Draw a neat and well-labelled diagram of the neuromuscular junction.

OR

Draw a schematic diagram of transmission of a nerve impulse at neuromuscular junction.