Answer:
breath in
Explanation:
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The answer is c it's the best one
Phagocytosis is the process by which immune cells engulf and then destroy bacteria
Answer:
B. Antibodies react specifically with an antigen.
Explanation:
Serological tests are blood tests that look for antibodies in your blood. They can involve a number of laboratory techniques. Flucculation tests are based on the precipitation that takes place when antibody and specially prepared antigens are mixed together
