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.
Increase appetite
Weight gain
Change in mood
Muscle weakness
Blurred vision
Easy bruising
Lower resistance
Answer:
some people of the family get the decease that someone else had in the family by genetics.
Explanation:
please give me brainly!!!!