Which of the following hormones controls the rate of metabolism, heat production, and oxidation of cells?
A) Thyroxine
B) Testosterone
C) Thymosin
D) ACTH
Question 2
When the secretions from the gland must go through a duct, it is a(n) _____ gland.
A) endocrine
B) exocrine
C) islets of Langerhans