The correct answer is letter b. adrenaline secreted by the adrenal glands.
The heart pumps harder and blood pressure rises during a fight-or-flight response. This response is due to adrenaline secreted by the adrenal glands. Adrenaline is <span>a substance that is released in the body of a person who is feeling a strong emotion.</span>
Actually ignore that persons answer its open ocean. im only telling you because its in my text book for penn foster hopefully you didnt get it wrong!
Answer: D. emergency, restoration, reconstruction
Explanation: found it in the textbook
It refers to the selective elimination of excess ions and toxins from body fluids
