this is called acquired immunity
Answer:
B)mental/emotional pain
Explanation:
It's really all in his head because he is stressed and it can cause pain or in his case pain to his stomach
Q. Stretching that is characterized by a bouncing action is called
A. Ballistic stretching
This is very true, and it is almost like the fight-or-flight response, where your body gets the adrenaline rushing and that is when you hear about people being able to lift cars and jump from 6-story buildings. It is a natural instinct of survival that we all have inside of us. Hope this helps.