The following are true about platelets:
a. they are formed in the bone marrow from megakaryocytes.
b. their life span in circulation is about 30 days
c. in a normal person, 20% of the platelets are found in the spleen.
d. they contain adenosine diphophate and serotonin.

1 Answer

Answer :

they contain adenosine diphophate and serotonin.

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