Adrenaline is a hormone, and is secreted from the adrenal glands-which are situated just above the kidneys.Whenever you are nervous or excited, your body will secrete this hormone; because your brain sends messages along nerves to the adrenal glands, which tells them to secrete adrenaline into the blood stream.The function of adrenaline is to prepare the body for something (whatever is making you nervous).henever you are nervous or excited, your body will secrete this hormone; because your brain sends messages along nerves to the adrenal glands, which tells them to secrete adrenaline into the blood stream. The function of adrenaline is to prepare the body for something (whatever is making you nervous).
heat stroke. n. A severe condition caused by impairment of the body's temperature-regulating abilities, resulting from prolonged exposure to excessive heat and characterized by cessation of sweating, severe headache, high fever, hot dry skin, and, in serious cases, collapse and coma.eat stroke. n. A severe condition caused by impairment of the body's temperature-regulating abilities, resulting from prolonged exposure to excessive heat and characterized by cessation of sweating, severe headache, high fever, hot dry skin, and, in serious cases, collapse and coma.
Heat stroke: A core body temperature that rises above 104 F (40 C) accompanied by hot, dry skin and central nervous system abnormalities such as delirium, convulsions, or coma. Heat stroke that results from exposure to a high environmental temperature is called nonexertional heat stroke. Heat stroke that results from strenuous exercise is called exertional heat stroke. Irrespective of type, heat stroke can be life-threatening. Immediate medical attention is essential when problems first begin. Symptoms may include confusion, combativeness, bizarre behavior, faintness, staggering, strong rapid pulse, dry flushed skin, lack of sweating, possible delirium or coma.