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When a small blood vessel in your hand is cut open,which plays an active defense against possible diseases?

Sagot :

Answer:

white blood cells

Explanation:

White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).