Question

Pertaining to endocrine system what will you interpret if first you observe slow neck in people living in the hills second over secretion of growth hormone increase during childhood hard facial hair develop in for boys age 13

Answer 1

It is due to less secretion of the thyroid hormone thyroxine as in hilly areas the soil contains low concentrations of iodine which affects the synthesis of thyroxine of iodine is deficient in the diet.