Question

19 the axial skeleton includes
a the skull, hyoid bone, thoracic cage, and vertebral column
b the femur, tibia, fibula
c the radius, ulna, carpals, and phalanges.
d the upper and lower limbs and pelvic and pectoral girdles

Explanation:

The axial skeleton is the central core part of the skeleton. It consists of the skull (which protects the brain), the hyoid bone (involved in speech and swallowing), the thoracic cage (protects the heart and lungs), and the vertebral column (supports the body and protects the spinal cord).

• Option B: The femur, tibia, fibula are part of the lower - limb (appendicular skeleton).
• Option C: The radius, ulna, carpals, and phalanges are part of the upper - limb (appendicular skeleton).
• Option D: The upper and lower limbs and pelvic and pectoral girdles are part of the appendicular skeleton.

Answer:

A. the skull, hyoid bone, thoracic cage, and vertebral column