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Answers
1)Adrenaline is known as the emergency hormone because it is released by the adrenal glands under the conditions of stress or excitement. This hormone is also a part of the bodys stress response called the fight or flight response.Adrenaline is a hormone secreted by adrenal medulla during stress. This is called as emergency hormone because it initiates quick reation which makes the individual to think and respond quickly to the stress. The hormone increases metabolic rate. there occurs dialation of blood vessels going to heart and the brain. The blood vessels reaching skin and kidneys constrict inorder to provide more blood to the heart and the brain. they also increase fat metabolism thereby synthesising more energy..
2) secretion of growth hormone must be in control because if excessive secretion of growth hormone take places then it would lead to gigantism
if less secretion of growth hormone takes place then it would lead to dwarfism
3)Diabetes is caused due to less or no secretion of hormone insulin by pancreas. In such a person, blood sugar level is high. Insulin converts extra sugar present in blood into glycogen. Thus, patients suffering from diabetes are given insulin injection to control their blood sugar level.