Question 27
Hormonal CoordinationThe gland directly affecting metabolic rate, growth and development is known as
- A.adrenal gland
- B.thyroid gland
- C.mammary gland
- D.parathyroid gland.
Show the answer and explanation
Answer: B (thyroid gland)
Explanation
The thyroid gland produces thyroxine, which controls the rate of metabolism and normal growth and development.