Which of the following statements is false? In the tissues, PO2 drops as blood passes from the arteries to the veins, while PCO2 increases. Blood travels from the lungs to the heart to body tissues, then back to the heart, then the lungs. Blood travels from the lungs to the heart to body tissues, then back to the lungs, then the heart. PO2 is higher in air than in the lungs.

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Q: .

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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.