Across
- 2. made up of water-carrying and food-carrying tubes
- 4. made up of heart,blood and blood vessels
- 8. carbon dioxide is transported in the blood through this system
- 9. food is digested in this system
Down
- 1. tubes through which the blood flow
- 3. the number of times the heart beats
- 5. lies between the two lungs in our chest
- 6. transport oxygen
- 7. carries carbon dioxide
- 9. food passes through the small intestines.