Ribs 8 ^-12 are considered false ribs because they do not directly attach to the sternum by their own cartilage. Instead, the costal cartilage of ribs 8 ^-10 attach to the cartilage of the seventh rib.

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Ribs 8-10 are considered false ribs because their costal cartilages connect to the cartilage of the rib above, not directly to the sternum. Ribs 11 and 12 are floating ribs, as they do not attach to the sternum at all.

Ribs 8 -12 Are Considered False Ribs Because They Do

Ribs 8 ^-12 Are Considered False Ribs Because They Do