Bilateria are characterized by A)a plane of symmetry that forms mirror images around a vertical plane in the midline. B)a plane of symmetry around a transverse plane across the center of the body so that the front and back halves are mirror images. C)a plane of symmetry that forms mirror images around an oblique plane in the midline. D)a plane of symmetry that forms mirror images around a horizontal plane in the midline. E)a plane of symmetry that forms mirror images around any plane through the longitudinal midline of the body.

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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.