(a)[4]
Using words from the list, state the names of: the glands located just above each kidney; the organ that secretes insulin; the two organs that secrete hormones controlling the development of secondary sexual characteristics.
(b(i))[1]
Suggest the target organ for adrenaline in this response.
(b(ii))[2]
State two further effects of adrenaline on the body.
(b(iii))[1]
State which part of the blood carries adrenaline.
(c)[2]
The statements below describe hormonal and nervous control. Tick two statements that are true for nervous control. Statements: • Information is conveyed only as chemical substances. • Information is carried by neurones. • Reflex actions are one example of this type of control. • The effects of the control last for a long time. • The speed of transmission is slow.