(a)[2]
Define what is meant by the term enzyme.
(b(i))[4]
Name the structures marked A, B, C and D. Put your answers on Fig. 3.1.
(b(ii))[4]
On Fig. 3.2, add label lines with letters to show: E where hydrochloric acid is produced; F where bile is produced; G where amylase is produced; H where egestion takes place.
(c(i))[1]
State the site of absorption of digested food.
(c(ii))[2]
Describe the way glucose is absorbed.