All information from our environment is detected by specialised tips of some nerve cells. Write the name given to such tips and also mention where they are located.

$(a)$ Draw the structure of a neuron and label the following on it:
Nucleus,Dendrite,Cell body,and Axon.
$(b)$ Name the part of the neuron:
$(i)$ Where information is acquired.
$(ii)$ Through which information travels as an electrical impulse.

Give a reason to explain why:
$(i)$ Adrenaline helps in dealing with emergency situations?
$(ii)$ Secretions of growth hormone should be specific in the human body?
$(iii)$ Some patients of diabetes are treated by giving injections of insulin?

Which part of the brain regulates and controls involuntary actions?

How many pairs of spinal nerves arise from the human spinal cord?

List two body functions that will be affected if the cerebellum gets damaged.