The bones of the limbs along with their girdles constitute the appendicular skeleton. Each limb is made of 30 bones. The bones of the hand (fore limb) are
Adjacent to a frequently-asked paragraph in the same chapter.
Q21. A mountaineer with reduced oxygen supply depends heavily on which combination of muscle fibres, skeletal support, and joints during climbing?
Correct answer: C — Red fibres – Appendicular skeleton – Synovial joints
Red fibres rich in myoglobin and mitochondria are suited for aerobic metabolism under low oxygen; climbing uses appendicular skeleton (limbs) and synovial joints (hip, knee).
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