Answer:
C :as intensity increases, time should decrease
You can do running,pushups,pullups,dips,and drop sets.
E cigarettes are not safe to use
Answer:
Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invaders