When a cell eats, and the "food" joins with a lysosome prior to digestion, a is formed. when antibodies block all binding sites on a virus, has occurred. mhc, or major complex, proteins are responsible for displaying antigens to immune cells. the proteins secreted by b cells are called antibodies or . chemicals like bacterial toxins that poison cells are described as b
green-colored chlorophyll breaks down and turns red and yellow.
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sweating, the body sweats when the temperature is too hot so it can go back to the average temperature