Radha's father who was a diabetic does not avoid things doctor said to do him in diet. He also feels lazy to go for a walk. One day, his glucose level was checked by his doctor. The doctor advised him to take injections regularly, as he was not able to control his diabetes with diet and medication. He came home and while telling the things to Radha's mother. Radha (biology student) heard them and interrupted in between. She explained that, doctor has given insulin injections to control his blood glucose level. This may be discontinued, if he will take precautions in his daily routine.
(i) Which endocrine gland and its part is involved in the secretion of insulin ?
(ii) Why doctor prefrered him to take insulin injections and what is the role of insulin in controlling level of glucose in blood?
(iii) What precaution he should take to protect himself from such disorder?
(iv) What are the values reflected from Radha's character as a biology student and a daughter?