The largest endocrine gland is:

What are the effects of hypothyroidism (observed during pregnancy) on the development and maturation of a growing baby?

Read the given statements $:$
$(A)$ Hypothyroidism during pregnancy causes defective development and maturation of the growing baby.
$(B)$ Thyroxine does not require a secondary messenger.
$(C)$ Thyroxine plays a major role in the regulation of Basal Metabolic Rate $(BMR)$.
$(D)$ Hypersecretion of thyroxine could cause immunodeficiency.
How many of the above statements are correct?

Goitre occurs due to....

Mention the difference between hypothyroidism and hyperthyroidism.

'Cretinism' is due to less secretion of: