6. Plant nutrition
6.1 Photosynthesis
6.2 Leaf Structure
7. Human nutrition
7.1 Diet
7.2 Digestive system
7.3 Physical digestion
7.4 Chemical digestion
7.5 Absorption
8. Transport in plants
8.1 Xylem and Phloem
8.2 Water uptake
8.3 Transpiration