With aging, what changes can be expected in the costal cartilages and thoracic compliance?

A. the costal cartilages remain unchanged but the thoracic compliance will decrease
B. costal cartilages calcify causing a downward slant of the ribs making the thorax less compliant
C. costal cartilages become more compliant causing the thorax to become more compliant
D. the costal cartilages remain unchanged but the thoracic compliance increases


Answer: B

Health Professions

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