Question
Watch this video (http://openstaxcollege.org/l/fightflight) to learn more about adrenaline and the fightor-flight response. When someone is said to have a rush of adrenaline, the image of bungee jumpers or skydivers usually comes to mind. But adrenaline, also known as epinephrine, is an important chemical in coordinating the body's fight-or-flight response. In this video, you look inside the physiology of the fight-or-flight response, as envisioned for a firefighter. His body's reaction is the result of the sympathetic division of the autonomic nervous system causing system-wide changes as it prepares for extreme responses. What two changes does adrenaline bring about to help the skeletal muscle response?
Answers
The heart rate increases to send more blood to the muscles, and the liver releases stored glucose to fuel the muscles.   Your Comment




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