the answer is none of the above.
I think it’s c correct me if I’m wrong I got it right
Answer:
your chest cavity is what keeps your heart in one place
Explanation:
your heart is connected to your chest cavity .
Chicken pox,Varicella,No Vector known to exist,Tiredness and Fever or bumps /blisters ,Go's away on its own after a week but preventive measures can be taken vaccines exist for immunity against it or against having severe results and make sure to not go near the person with chichenpox and to avoid skin infection do not rub but pat for itch