Answers

2014-09-06T19:49:55+05:30
Whit blood cells are made in Bone marrow (a flexible tissue in the interior of the bones).
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2014-09-06T20:10:17+05:30
White blood cells are called leukocyte , which are essential for good health and protection against illness and diseases.
white blood cell are produced inside the bone marrow and stored in your blood  and lymphatic tissues. because some white blood cells have short lifespan of one to three days , your bone marrow is constantly producing them.

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