Q42 of 231 Page 116

State the functions of the following hormones:

(a) Thyroxine


(b) Adrenaline


(c) Growth hormone

(a) Thyroxine: Controls the metabolic rate of carbohydrates, fats and proteins in the body.

(b) Adrenaline: Regulates blood pressure, heart rate, breathing rate, and carbohydrate metabolism.


(c) Growth hormone: Controls the growth of human body.


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What is the function of insulin hormone? What types of patients are given insulin injections?

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Compare the nervous system and endocrine system (hormonal system) for control and coordination in humans.

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Write the names of all the major endocrine glands present in the human body. Which of these glands also function as exocrine glands?

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Match the hormones given in column I with their functions given in column II:



























Hormones



Functions



(i) Thyroxine



(a) Causes breasts to develop in females



(ii) Adrenaline



(b) Causes the male to start producing sperms



(iii) Insulin



(c) Prepares the body for an emergency



(iv) Estrogen



(d) Controls the metabolic rate



(v) Testosterone



(e) Regulates the amount of sugar in blood