(a)[3]
In Fig. 1.1, draw: • the diaphragm as it appears straight after breathing in, • a circle (O) to indicate where the heart is, • a cross (X) to indicate where the liver is.
(b(i))[2]
State two similarities between the movement of a person’s chest while breathing in and the movement of the handle.
(b(ii))[5]
Explain the differences between the movement of a person’s chest and the movement of the handle.