Across
- 3. The building block of living organisms
- 4. a part of the digestive system in which protein digestion takes place
- 5. the carrier on nutrients, oxygen and wastes in our bodies
- 6. system the system that controls our body
- 7. removal of wastes by the living organism
- 8. chemical reactions that releases energy from the food
Down
- 1. A process by which plants make their own food
- 2. green pigment which capture light energy in the plant cells
- 3. the gas plants take to make their food
- 6. Organelle that contains the cell genetic material
