WAEC Biology 2008 Question 7

Question 7

Support and Movement

Study the diagram and use it to answer the question.
To form a ball and socket joint, the structure labelled I fits into another structure in the scapula called the

Diagram for this question
  1. A.blade
  2. B.glenoid cavity
  3. C.olecranon fossa
  4. D.patella.
Show the answer and explanation

Answer: B (glenoid cavity)

Explanation

The bone is the humerus; its rounded head (I) fits into the glenoid cavity of the scapula to form the shoulder joint.