Q2 of 39 Page 138

Mention the two principal ways in which insulin acts:

(i) _________________


(ii) _________________

The two principal ways in which insulin acts are:


(i) Insulin promotes glucose utilization by the body cells.


(ii) It converts excess glucose into glycogen and stores them in liver and muscles.


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2

Give the characteristics of hormones pertaining to

(i) Site of action ………………………………


(ii) Chemical nature ………………………………………………


(iii) The manner of transportation ……………………………….

 1

Mention the three types of cells of the islets of Langerhans, the name of the hormone they secrete.

(i) Alpha cells ………………………………….


(ii) Beta cells …………………………………………………………


(iii) Delta cells ……………………………………………………….

 3

Name the following conditions:

(i) Passage of much glucose in urine ………………………


(ii) Overdose of insulin makes the diabetic patient unconscious ………………………………………………

 4

List any three symptoms of diabetes mellitus.

(i) ____________________


(ii) ____________________


(iii) ____________________