Which cavity contains the abdominal and pelvic cavities?

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The abdominopelvic cavity is the single continuous space that contains both the abdominal and pelvic regions. It runs from just below the diaphragm down to the pelvic floor, with the abdominal cavity housing things like the stomach and intestines and the pelvic cavity housing the bladder, reproductive organs, and rectum. They’re treated as parts of one cavity because there isn’t a true physical separation between them—the pelvic inlet marks the boundary between the upper and lower portions, but they share the same enclosed space. That’s why this combined term is used. The abdominal cavity or the pelvic cavity alone do not encompass both regions, and the phrase “Abdominal And Pelvic Cavities” isn’t the standard label.