The blood is collected in heparinized capillary tubes to prevent clotting. Heparin is a blood thinner and this anticoagulant is produced naturally by mast cells and basophils. But heparin can not dissolve or break the preformed clots.
Answer:
medium. (Science: cell biology) shorthand for culture medium or growth medium, the nutrient solution in which cells or organs are grown.
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Your answer is D
Gravel sized particals
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