The answer is C , you stop , you think and then you just go forward .
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>
Bacteria can grow rapidly between 40 and 140 degrees. Don't ever eat food left out for over two hours. Throw that **** out! E