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Topic B3: Organism level systems — OCR GCSE Biology A J247
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Biology
OCR GCSE Biology A
Organism level systems
OCR GCSE Biology A · J247 · Topic B3
Organism level systems
Paper 1 (Foundation)
or
Paper 3 (Higher)
· 27 notes
B3.1
The nervous system
B3.1a
Nervous system structure
B3.1b
Coordinated response
B3.1c
Reflex arc
Practise with past papers
Key terms & definitions
B3.1d
The eye
B3.1e
Eye defects
B3.1f
The brain
B3.1g
Investigating brain function
B3.1h
Treating brain damage
B3.2
The endocrine system
B3.2a
Hormonal coordination
B3.2b
Thyroxine and adrenaline
B3.2c
Hormones in human reproduction
B3.2d
Interactions of menstrual hormones
B3.2e
Contraception
B3.2f
Reproductive technologies
B3.2g
Plant hormones
B3.2h
Effects of plant hormones
B3.2i
Uses of plant hormones
B3.3
Homeostasis
B3.3a
Importance of homeostasis
B3.3b
Control of body temperature
B3.3c
Insulin and blood sugar
B3.3d
Glucagon and blood sugar
B3.3e
Diabetes
B3.3f
Osmotic changes
B3.3g
Function of kidneys
B3.3h
Structure of the kidney
B3.3i
Effect of ADH
B3.3j
Response to challenges
