Hormones

14.3

What the syllabus asks of you

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
Identify in diagrams and images specific 5 State that glucagon is secreted by the pancreas endocrine glands and state the hormones they secrete, limited to: (a) adrenal glands and adrenaline (b) pancreas and insulin (c) testes and testosterone (d) ovaries and oestrogen
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
Compare nervous and hormonal control, limited to speed of action and duration of effect

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Chapter 14: Hormones

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