OCR GCSE Gateway Science Suite - Biology A J247 · B3.3
Maintaining internal environments
- Code
- B3.3
- In
- B3 Organism level systems
- Course
- GCSE Gateway Science Suite - Biology A J247
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points under B3.3
- BM3.3i Data from graphs, charts and tables
- B3.3a Maintaining a constant internal environment
- B3.3b The skin and body temperature control
- B3.3c Insulin and blood sugar
- B3.3d Glucagon and insulin together
- B3.3e Type 1 and type 2 diabetes
- B3.3f Osmotic changes in body fluids
- B3.3g Kidneys and water balance
- B3.3h Kidney and tubule structure
- B3.3i ADH and kidney tubule permeability
- B3.3j Responses to temperature and osmotic challenges
Points in B3 Organism level systems
- B3.1 Coordination and control – the nervous system
- B3.2 Coordination and control – the endocrine system
- B3.3 Maintaining internal environments