(a)[2]
Define what is meant by sensitivity.
(b)[1]
State the names of any two sense organs.
(c(i))[2]
Suggest why group B received an injection without adrenaline.
(c(ii))[5]
Describe and explain the pattern shown in Fig. 3.1 for group A.
(d)[2]
Predict how blood glucose concentration will change in this group of rats. Draw a line on the graph in Fig. 3.1 to show your prediction.
(e)[2]
Describe two effects of adrenaline on the body, apart from any change in blood glucose concentration.