Answer: eustress
Explanation:
kind of stress associated with positive feelings, optimal health, and performance. A moderate amount of stress can be beneficial in challenging situations.
The immune system fights off the pathogen by Leukocytes also known as white blood cells. When a pathogen enters the body the immune system becomes alert to it and sends out sends out the Phagocytes (a type of Leukocytes) which engulfs the pathogens.
A and C if it’s the thing I was doing
I would say Se/x with a minor would be your answer.