(a(i))[1]
Which group of substances are adrenaline, insulin and oestrogen part of?
(a(ii))[3]
On Fig. 3.1 draw three straight lines so that each name in the boxes is joined to the endocrine gland that secretes that substance.
(a(iii))[2]
State the name of the gland that produces insulin and state the name of the gland that produces oestrogen.
(a(iv))[2]
State the function of insulin and the function of oestrogen.
(b)[2]
Describe two effects that adrenaline has on the body.