There are 7 tarsals in each foot, and 8 carpals in each hand, but the upper limb and the lower limb contain the same number of bones. How can this be explained?
A. The arm contains 1 bone, while the thigh contains 2 bones.
B. The forearm contains 2 bones, but the leg contains only 1 bone.
C. The foot contains 1 more metatarsal than the hand.
D. The upper limb has no counterpart for the patella.
E. The foot contains 1 more phalanx than the hand.
Answer: D
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