6. What moves into the lungs by diffusion?
- Carbon Dioxide
- Water Vapour
- Deoxygenated blood
- Oxygenated blood
7. What moves out of cells in a leaf by diffusion?
- Oxygen
- Nitrogen
- Carbon Dioxide
- Water
8. What is a Solute?
- A dissolved substance in a solution
- A dissolved substance in water
- A dissolved substance in solvent
