DeShaun has thought that girls were nothing but a nuisance for the past several years. So his parents are surprised when he suddenly starts talking every day about a new girl in his fifth grade class. DeShaun's newfound romantic crush is likely caused by maturation of the .
adrenal glands

Adrenal glands

Explanation:

The adrenal glands are small glands located on top of each kidney. They produce hormones that you can't live without, including sex hormones and cortisol. Cortisol helps you respond to stress and has many other important functions.

Adrenal glands produce hormones that help regulate your metabolism, immune system, blood pressure, response to stress and other essential functions. Deshaun new found romantic crush can be attributed to the maturity of the Adrenal gland.

aristocracy, timocracy, oligarchy, democracy, theocracy and tyranny

explanation: