Your answer would be B...
Etiquette determine which behaviours are polite and impolite among players and team....
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.
<span>
A higher fat percentage than muscle percentage.</span>
