What does the prefix "hemo" refer to in medical terminology?

The prefix "hemo" is derived from the Greek word "haima," which means blood. In medical terminology, it is commonly used to refer to anything related to blood or blood components. For example, terms like "hemoglobin" (the protein in blood that carries oxygen) and "hemorrhage" (excessive bleeding) illustrate the prefix's connection to blood. Understanding this prefix is crucial in the medical field, as it provides clarity on conditions and processes involving blood. The other options refer to different body systems or components, but "hemo" exclusively signifies blood.