Which of the following endocrine glands does not occur as a pair in the human body?

Define 'nerve impulse'. Which structure in a neuron helps to conduct a nerve impulse:
$(i)$ towards the cell body?
$(ii)$ away from the cell body?

Which endocrine gland controls the functioning of most other endocrine glands?

$(a)$ 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.

What is a synapse?

State whether the following statement is true or false: Blood pressure,salivation,and vomiting are controlled by the cerebrum.