question_answer

  Hormones are needed by our body in an appropriate amount. Slightly more or less secretion causes disorder in our body. Illustrate this by using three examples.

Answer:

                  Hyper secretion (more secretion) or hypo secretion (less secretion) of any hormone leads to disorders in our body. Some of the examples are (i) Goitre This disorder is caused due to deficiency of iodine in our diet. Iodine is necessary for the synthesis of thyroxine hormone from thyroid gland.                        (1) (ii) Gigantism and Dwarfism Hypersecrerion of growth hormone results in giant (very tall people). Hyposecretion or deficiency of growth hormone at an early stage of life makes the person dwarf.                                 (1) (iii) Diabetes Mellitus Insulin helps to lower the blood glucose level. When it is secreted in less amount, the body suffers from diabetes as more and more glucose accumulate in the body.                                                                   (1)