Page 86 - Biology_Form_3

Endocrine system

9. Match the items in Column A with the correct descriptions in Column B by writing
the letter of the correct answer next to the corresponding number of the question
in Column A.
Column A Column B
i) Pituitary gland A. Regulates metabolism, growth, and energy
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balance through the production of thyroxine
(ii) Thyroid gland B. Controls other endocrine glands and regulates
growth, development, and various body functions
C. Responsible for stimulating growth, cell
(iii) Adrenal glands reproduction, and regeneration in the body
D. Lowers blood sugar levels by facilitating glucose
(iv) Glucagon uptake into cells
E. Sex hormone responsible for the development of
male secondary sexual characteristics
(v) Insulin
F. Stimulates the liver to convert stored glycogen
into glucose, increasing blood sugar levels
(vi) Pancreas G. A part of the brain that links the nervous system
to the endocrine system and controls the pituitary
(vii) Hypothalamus gland
H. Responsible for producing insulin and glucagon,
regulating blood sugar levels
(viii) Growth hormone I. Responsible for the development of female
secondary sexual characteristics
(ix) Testosterone J. Produce hormones such as adrenaline and cortisol,
which help the body respond to stress
K. Plays a key role in regulating water balance by
(x) Estrogen influencing kidney function

L. A hormone that stimulates the production of milk
in females after childbirth
M. A gland that produces melatonin, which regulates
sleep-wake cycles
Answer the following questions (b) Suggest two medical approaches
10. Using relevant examples compare that could help manage this
and contrast between hormonal and condition.
nervous coordination in humans. 12. A 17-year-old student has been
11. A doctor diagnoses a patient with diagnosed with excessive secretion
aldosterone deficiency. of growth hormone (GH).
(a) Explain the primary function of (a) Explain the role of this hormone
aldosterone in the human body. in human growth.

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BIOLOGY FORM 3 FINAL EDITED 16.09.2025.indd 79
BIOLOGY FORM 3 FINAL EDITED 16.09.2025.indd 79 KAMISHNA 23/10/2025 11:52:42

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