List the names of hormones secreted by the following endocrine glands and mention their functions:
$(i)$ Thyroid gland $(ii)$ Pituitary gland $(iii)$ Adrenal gland.

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

Label the parts of a neuron in the given figure.

What happens at the synapse between two neurons?

$(a)$ Define hormone. Write four characteristics of hormones in humans.
$(b)$ Name the disorder caused by the following situations:
$(i)$ Under secretion of growth hormone
$(ii)$ Over secretion of growth hormone
$(iii)$ Under secretion of insulin
$(iv)$ Deficiency of iodine

Define neuron. Name the parts of the neuron where:
$(i)$ information is acquired?
$(ii)$ impulse must be converted into a chemical signal for onward transmission?