$A$ health disorder that results from the deficiency of thyroxine in adults and is characterised by $(i)$ a low metabolic rate,$(ii)$ an increase in body weight,and $(iii)$ a tendency to retain water in tissues is:

Which of the following is the largest endocrine gland?

If a person consumes iodine,it will be stored in which of the following organs?

On an educational trip to Uttaranchal,Ketki and her friends observe that many local people have swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.
$(a)$ Which probable disease are these people suffering from?
$(b)$ How is it caused?
$(c)$ What effect does this condition have on pregnancy?

$A$ pregnant female delivers a baby who suffers from stunted growth,mental retardation,low intelligence quotient,and abnormal skin. This is the result of:

Write a short note on the disorders/diseases of the thyroid gland.