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Extension (or straightening) of the elbow stops when the proximal end of the ulna engages the ________.

Bones are somewhat flexible due to ________.

These bones form the pectoral girdle.

This foramen lies between the temporal and occipital bones on the inferior surface of the skull. A major vein and several cranial nerves pass through it.

This part of the rib articulates with the appropriate vertebra.

This bone is commonly called the kneecap.

Which of the following structures is an attachment site for muscles or ligaments?

The medial end of the clavicle articulates with the ________.

An example of a sesamoid bone is the ________.

This is a passageway for blood vessels and nerves.