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.

Answer:
The skull, vertebral column, rib cage and sternum.


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

Answer:
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.

Answer:
• 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.

Answer:
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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