Answer:pituitary
Explanation: the hypothalamus makes the pituitary gland release hormones(estrogen and testosterone) into the body. Thyroid is metabolism, adrenal is Adrenalin, and the reproductive glands are the first things that change when the pituitary glands release hormones
Potato chips because they're fried in unhealthy oils and aren't good for you
I am pretty sure that the answer is a, genetic engineering. i hope this helps :)