Across
- 4. Connects arteries and veins
- 5. A organ that exchanges oxygen and carbon dioxide
- 6. muscular sac that does chemical and mechanical digestion of food
- 8. Carries blood away from the heart
- 9. The passage that directs air to the lungs
- 11. Connects mouth to stomach
- 12. Liquid part of blood respiratory system Brings oxygen to the body, gets rid of CO2
- 14. filters waste from the blood
Down
- 1. Finger shaped and absorbs digested food in the small intestine
- 2. Carries blood back to heart
- 3. system Transport oxygen and nutrients, etc. around the body
- 7. Allows air to pass to and from the lungs
- 10. Cell fragment that forms scabs
- 13. Where digestion begins