Melatonin Secretion Influences ____

Question

Melatonin secretion influences ____.  
A) secondary sex characteristics
B) glucagon production
C) adrenal function
D) seasonal changes in behavior
E) Graves' disease

Accepted Answer

Melatonin secretion influences seasonal changes in behavior, as it is involved in the regulation of circadian rhythms and can affect sleep-wake cycles and other physiological functions that vary across different seasons.