Very heavy perspiring or severe diarrhea can result in a serious reduction in the body's water content known as dehydration.
Answer: to defend itself
Explanation:
This natural reaction prepares you to either flee or protect yourself in dangerous situations. Your heart rate increases, your adrenal gland releases cortisol (a stress hormone), and you receive a boost of adrenaline, which increases energy. This fight-or-flight response occurs in the alarm reaction stage.
