(a)[3]
Arrange the seven stages in the correct sequence. Enter the letters in the boxes of the flow chart to show the right order.
(b)[3]
State the category name for each of these birth-control methods: use of a condom; vasectomy; use of a contraceptive pill.
(c(i))[2]
Define the term sexually transmitted infection in full.
(c(ii))[1]
State which disease HIV can lead to.
(c(iii))[1]
Describe one further way in which HIV can be transmitted.