Two pipes of equal diameter , but different lengths, are transporting blood. The shorter pipe is 10 cm long and experiences a pressure difference from one end to the other end of 30 mm Hg. The second pipe is 50 cm long. The pressure difference needed to maintain the same flow rate in the longer pipe as the shorter pipe is mm Hg.

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Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.