Across
- 4. a vessel that carries blood away from the heart
- 6. the smallest blood vessel
- 9. absorbs water
- 11. liquid part of the blood
- 12. muscular sac that continues digestion
- 14. lower chamber of the heart
- 15. the building blocks of life
Down
- 1. where digestion begins
- 2. stores urine
- 3. carries oxygen through the body
- 5. a small finger like structure that cover the inner surface of the small intestine
- 7. upper chamber of heart
- 8. absorbs nutrients
- 10. allows air to pass through
- 13. a vessel that carries blood back to the heart