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bone marrow <span>contains hematopoietic stem cells, which give rise to the three classes of blood cells that are found in the circulation: white blood cells (leukocytes), red blood cells (erythrocytes), and platelets (thrombocytes)</span>
Answer:
Because providing first aid is an half to half situation were if the person who provides the assistance do properly of if it is successful then is Fine/Good but when thats person go wrong on proving first aid, it might damage or hurt the person who you treating so maybe it is going to ruin your name and reputation
Answer:
an everyday problem
Explanation:
because we get problems everyday and solve them