(a(i))[2]
One of the structures shown on Fig. 5.1 makes a hormone that controls puberty in boys. Label this structure with a label line. Put the structure's name in your label.
(a(ii))[1]
State the name of the hormone that causes the development of secondary sexual characteristics in girls.
(a(iii))[3]
Complete Table 5.1 to show which characteristics develop in girls only and which develop in both boys and girls.
(b)[2]
State two effects of the hormone adrenaline on the body.