4.1 - 2016 June Q4
The skeleton contains a number of joints.
(a) State what is meant by the term joint. (1)
(b) The diagram shows a hinge joint.
(a) State what is meant by the term joint. (1)
(b) The diagram shows a hinge joint.
(i) Name parts A, B and C. (3)
(ii) Describe the function of each of the parts A, B and C. (6)
(ii) Describe the function of each of the parts A, B and C. (6)