Answer:
antibodies
Explanation:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.
Aerobic exercise like running, jogging, swimming and walking because all of these get your heart rate up.
I believe that answer was Yet
Answer:
C.Updating her previous state information...etc