Question

3
The gland X which is located just below the brain in the human head secretes a chemical substance Y which controls the development of ones and muscles in the body of a person. Secretion of too little of substance Y as well as the secretion of too much of substance Y by the gland X leads to abnormal development of the body of a person.
(a) Name the gland X.
(b) What is the chemical substance Y?
(c) What happens if too little of substance Y is secreted?
(d) What happens if too much of substance Y is secreted?
(e) Name the system of glands in the human body of which gland X is a part.

Answer 1

Answer:

The answers are as follows

Explanation:

a) Pituitary gland

b) Growth hormone or somatotrophin

c) If GH is very less in children it will lead to dwarfism and in adults it will lead to acromicria

d) If too much GH is produced then it will lead to gigantism in children and acromegaly in adults.

e) Endocrine system.

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