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Biology Paper 1
Organisation
Trace the path of food from mouth to intestine.
Key Facts
- Diffusion moves particles from high to low concentration.
- The stomach is part of the digestive system.
Topics Covered
Cells to Organs
What you need to know
- •Cells form tissues, tissues form organs, organs form organ systems.
- •Specialised cells have structures that match their function.
Exam Tips
- Use examples like ciliated cells or red blood cells.
Key Terms
Tissue
A group of similar cells working together.
Organ system
A group of organs that work together for a function.
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Common Exam Questions
Describe the role of the digestive system.
2 markseasyBiology Paper 1
Model Answer
Breaks down food into small, soluble molecules and absorbs them into the bloodstream.
What examiners want to see
- ✓Mention breakdown and absorption.
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