The gland A is attached to the wind pipe in the human body. The gland A makes and secretes a hormone B which controls the metabolism of carbohydrates, fats and proteins in the body. The non-metal element C is necessary for the formation of hormone B. The deficiency of C in the diet can cause a deficiency of hormone B in the body leading to a disease D in which the neck of a person appears to be swollen. People are advised to use salt E in cooking food so as to avoid disease D.
(a) Name (i) gland A, and (ii) hormone B
(b) What is the element C?
(c) Name one type of food which can provide sufficient C in the diet of a person.
(d) Name (i) disease D, and (ii) salt E.
(a) (i) In above question, the gland A is thyroid gland
(ii) The hormone B is thyroxine hormone which is released from the gland A (thyroid gland).
(b) The element C is iodine.
(c) Sea food like fish can provide sufficient element C (iodine) in the diet of a person.
(d) (i) The disease D is goiter.
(ii) The sale E is iodised salt.