First perform a general warm-up then hold stretches for 60 seconds or longer
Answer: carbon monoxide,hydrogen cyanide
Explanation:
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.
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