(a)[2]
Complete the sentences on control of body temperature. The human body keeps its internal temperature constant. This is an example of [BLANK]. If the temperature changes from the set point, [BLANK] returns it to the set point.
(b(i))[3]
State the names of the structures marked L, O and J in Fig. 4.1.
(b(ii))[6]
Describe how humans keep body temperature constant when the external temperature falls. Use the structures labelled in Fig. 4.1 in your answer.
(c(i))[1]
State the organ that releases glucagon.
(c(ii))[1]
Describe how glucagon affects the body.