Answer:
a hormone secreted by the adrenal glands, especially in conditions of stress, increasing rates of blood circulation, breathing, and carbohydrate metabolism and preparing muscles for exertion.
Explanation:
Immediately after exposure to nicotine, there is a "kick" caused in part by the drug's stimulation of the adrenal glands and resulting discharge of epinephrine (adrenaline). The rush of adrenaline stimulates the body and causes an increase in blood pressure, respiration, and heart rate.
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#19 is pneumonia, #20 is stick to well marked trails
You could drown by such a small amount of water during certain circumstances that doing stuff in or around water alone increases risk of harm. There wouldn’t be anyone that could pull you from the water, do CPR, call an ambulance, protect you and try to keep you warm.
It doesn’t matter if you’ve done it a hundred times, there is always a risk.