Formative Practice 14.2 (Form 4 Biology Textbook Exercise and Answer)

Question 1:
Name the bones that form the axial skeleton of the human body.

The skull, vertebral column, rib cage and sternum.

Question 2:
State the function of cartilage and synovial fluid in the joint.

The cartilage acts as cushion to joints, absorbs shock and reduces friction between the ends of bones. Synovial fluid acts as a lubricant that reduces friction between the ends of bones.

Question 3:
State the differences between the structure and function of tendon and ligament.

• Tendon is not elastic but ligament is.

• Tendon connects muscle to bone. Ligament connects bone to bone.

Question 4:
Explain the differences between the ball-and-socket joint and hinge joint.

Ball-and-socket joints allow rotational movement in all directions whereas hinge joints only allow the movement of bones in one plane.

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