Body chemicals that regulate sleep, moods, hunger, and stress are called _____.

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Hormones are chemical messengers secreted by various glands in the body that regulate various physiological functions, including sleep, moods, hunger, and stress. Neurotransmitters are chemicals that transmit signals between nerve cells, the brain stem is a part of the brain involved in basic functions such as respiration and heart rate, and the adrenal glands are endocrine glands that produce hormones such as adrenaline and cortisol in response to stress.

Body Chemicals That Regulate Sleep, Moods, Hunger, and Stress Are