IB Biology C3.1.3 Integration of organs
IB Biology C3.1.3 Integration of organs

IB Biology syllabusBiology SL/HLFirst assessment 2025
Practise how organs work together in digestion, blood transport and autonomic control, using pathways, diagrams and response data.
How this is tested
- explain how pancreatic hormones reach the liver and support rapid response
- interpret digestive organ diagrams showing ducts, blood vessels and material flow
- outline how autonomic control coordinates involuntary organ functions
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