â¦âCriminal street gang means any ongoing. organization, association, or group of 3 or. more persons, whether formal or informal, having as 1 of its primary activities the. commission of one or more of the criminal acts. enumerated in subdivision (a)(2) of this. section, having a common name or common.
1 Hemophilia A, the most common type, is caused by insufficient clotting factor VIII. 2  Hemophilia B, the second most common type, is caused by insufficient clotting factor IX. 3  Hemophilia C, in which signs and symptoms are often mild, is caused by insufficient clotting factor XI.
Clotting factors are substances in the blood that help the blood to clot. People with hemophilia do not have enough clotting factors. Blood clotting involves two sets of factors. One set works with specialized blood cells made in the bone marrow, called platelets. Platelets play a central role in blood clotting.