A clot on the skin is called a scab. The scientific term for platelet is thrombocyte. A platelet is a small plate like disk. Of all the other elements it is the smallest. The color of a platelet is not red or white but an orange-yellow.
Platelets correspond very well with everything else.
They save millions of lives every day. I hope my report gave you some information on this fasinating topic. This site has been visited times since August 24, 1998.