Adrenaline:A hormone released by the body in response to stress or excitement. It increases heart rate and provides a burst of energy.
Cortisol:A hormone released by the adrenal glands in response to stress. It helps regulate blood pressure and metabolism.
Fight-or-flight response: The body's instinctive physiological reaction to perceived threats or dangers. It prepares the body for action by increasing heart rate, dilating pupils, and releasing hormones such as adrenaline.