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biology 0610printed 177 · PDF 177
328 pagesrevision 46933
printed 177 · PDF 177
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Core Supplement
1 «Describe a hormone as a chemical substance,
produced by a gland and carried by the blood,
which alters the activity of one or more specific
target organs
2 Identify in diagrams and images specific 5 State that glucagon is secreted by the pancreas
secrete, limited to:
(a) adrenal glands and adrenaline
(b) pancreas and insulin
(c) testes and testosterone
(d) ovaries and oestrogen
3 Describe adrenaline as the hormone secreted in 6 Describe the role of adrenaline in the control of
‘fight or flight’ situations and its effects, limited metabolic activity, limited to:
to: (a) increasing the blood glucose concentration
(a) increased breathing rate (b) increasing heart rate
(b) increased heart rate
(c) increased pupil diameter
4 Compare nervous and hormonal control, limited
to speed of action and duration of effect
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