14.3 Hormones
- Syllabus
- 0610–2026–2027
- Topic
- 14.3
- Level
- —
14.3.1—Hormone as a chemical substance
- 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
14.3.2—Specific endocrine glands and state
- Identify in diagrams and images specific 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
14.3.3—Adrenaline as the hormone secreted
- Describe adrenaline as the hormone secreted in ‘fight or flight’ situations and its effects, limited to: (a) increased breathing rate (b) increased heart rate (c) increased pupil diameter
14.3.4—Nervous and hormonal control
- Compare nervous and hormonal control, limited to speed of action and duration of effect
14.3.5—Glucagon is secreted by the pancreas
- State that glucagon is secreted by the pancreas
14.3.6—Role of adrenaline in the control
- Describe the role of adrenaline in the control of metabolic activity, limited to: (a) increasing the blood glucose concentration (b) increasing heart rate
Objective notes
6 learning objectivesConceptIGCSE Biology