👉 In biology, an epinephrine (also known as adrenaline) is a hormone that is produced by the adrenal gland in response to stress or high levels of activity. Epinephrine acts as a short-acting, beta-adrenergic agonist, meaning it activates beta receptors on cells throughout the body, which can lead to a range of physiological responses including increased heart rate, blood pressure, and sweating. Epinephrine is released by the adrenal glands after a fight-or-flight
