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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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Regarding Platelets / Thrombocytes - choose the correct option :


( A ) Blood normally contains 1,500,00-3,500,00 platelets mmñ3.
( B ) Platelets also called thrombocytes, are cell fragments produced from megakaryocytes
( C ) Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.
( D ) all of the above
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1 Answer

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(D) is the right answer.
Platelets also called thrombocytes, are cell fragments produced from megakaryocytes (special cells in the bone marrow). Blood normally contains 1,500,00-3,500,00 platelets mmñ3. Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood. A reduction in their number can lead to clotting disorders which will lead to excessive loss of blood from the body.
answered Apr 3, 2014 by pady_1
edited Apr 4, 2014 by pady_1
 
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