O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2017 · Q241 Mark
Which statement about the ulna is correct?
AIt fits into a notch on the radius to form the elbow joint.
BIt forms a hinge joint with the humerus at the shoulder.
CIt has a projection to which an extensor muscle is attached.
DIt links the radius to the scapula.
✓ Correct answer
C: It has a projection to which an extensor muscle is attached.
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