The smallest size of a cell which can be seen directly by the eye is

A. One micron

B. 10 micron

C. 100 micron

D. 1000 micron

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  19. Intravascular clotting of blood is known as
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  21. Malnutrition is due to
  22. Hormones are carried from their place of production by
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