Write true or false for the statement: Symptoms of goitre lead to swelling in the abdomen.

Complete the following table:

Name of the gland	Name of hormone	Function
$(i)$ Thyroid	...................	Regulates metabolism of fat,protein and carbohydrates
$(ii)$ ...................	Insulin	Regulates blood sugar level
$(iii)$ Pituitary	...................	...................

Why are some patients of diabetes treated by giving injections of insulin?

$(a)$ Name the hormone which is injected to a diabetic patient.
$(b)$ Why should we use iodised salt in our diet?
$(c)$ If iodine is insufficient in one's diet,what might be the deficiency disease and its symptoms?

Select the mismatched pair:

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?