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Structure and Function of Human Skeleton

The Human Skeleton: Axial and Appendicular Structure

  • 3 things to know
  • A2 Unit 4

Overview

Recall questions on Axial and Appendicular Structure.

What you need to know

Answer each one before you reveal it.

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Key term

Into which divisions is the skeleton separated, which bones form the axial skeleton, and which form the pectoral girdle?

Key term

Why is the pelvic girdle fused firmly to the sacrum whereas the pectoral girdle is not fixed to the axial skeleton?

Key term

Which two bones form the pectoral girdle on each side?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    Into which two divisions is the human skeleton separated?

    Model answer

    It is separated into the axial skeleton and the appendicular skeleton.

  2. 2

    Which bones make up the axial skeleton?

    Model answer

    The skull, the vertebral column, the ribs and the sternum make up the axial skeleton.

  3. 3

    What does the appendicular skeleton consist of?

    Model answer

    It consists of the pectoral and pelvic girdles together with the bones of the forelimbs and hind limbs attached to them.

  4. 4

    Which two bones form the pectoral girdle on each side?

    Model answer

    The pectoral girdle is formed by the scapula and the clavicle on each side.

  5. 5

    Which three fused bones form each half of the pelvic girdle?

    Model answer

    Each half is formed by the ilium, the ischium and the pubis, fused together.

  6. 6

    Name the bones of the forelimb, working from the shoulder to the fingertips.

    Model answer

    They are the humerus, then the radius and ulna, then the carpals, metacarpals and phalanges.

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