Q43 of 231 Page 116

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

The endocrine glands present in the human body are:

(i) Pineal gland


(ii) Hypothalamus


(iii) Pituitary


(iv) Thyroid


(v) Parathyroid


(vi) Thymus


(vii) Pancreas


(viii) Adrenal glands


(ix) Testes (in males)


(x) Ovaries (in females).


Pancreas, testes and ovaries function as exocrine glands.


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41

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

 42

State the functions of the following hormones:

(a) Thyroxine


(b) Adrenaline


(c) Growth hormone

 44

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


 45

A person walks across a room in bare feet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.