(a(i))[1]
Name the structure in the human body that J represents in the model.
(a(ii))[3]
Name the structure in the human body shown by the elastic band. State what this structure does during the process of breathing out.
(b)[3]
Name a muscle used in human breathing that is not shown in the model. State what this muscle does during the process of breathing out.
(c)[3]
Describe and explain the effect of increasing the volume of the thorax on air movement during human breathing.