Blood consists of white blood cells, red blood cells and platelets.
_____ Blood cells are considered human’s warriors.
Phagocytes and Lymphocytes are two types of white blood cells.
____________ are created in bone marrow and seek to engulf bacteria
Boils and cuts are sites in which phagocytes have removed bacteria from the blood.
Neutrophils are not the most common phagocytes.
__________ is found in lymph nodes under armpits and in a human’s neck.
Coronavirus has ______________ that attempt to attach to a host cell.
Antibodies attach to antigens making white blood cells easier to destroy harmful bacteria or viruses.
Vaccination helps humans produce antibodies to help fight harmful microbes.
___________ produce antibodies in blood.
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