Review Crossword

3. Carries blood away from the heart and towards the lungs
6. A chamber of the heart that pumps blood away from the heart
8. The liquid part of the blood. Mostly water
9. Muscular tube that connects mouth to stomach
11. A muscle that pumps blood through your body
12. Very small blood vessels
15. A chamber of the heart that receives the blood
16. Breaking down food into nutrient molecules
19. Cells in your blood that transport oxygen
20. Involuntary muscle contractions that that push food toward the stomach
21. The first organ that food enters in the digestive system
22. Solid particles in your blood type
23. An organ of the digestive system connected to the esophagus and the small intestine
26. Secrete chemicals into the small intestine
27. A passageway for blood to travel in your body
28. The last section of the digestive system. Absorbs water
29. Tiny finger shaped structures that help with absorption

1. A part of the digestive system that is 6m long
2. Seals off your windpipe, preventing food from being inhaled
4. Carries oxygen rich blood
5. Physically breaking down food into smaller pieces
7. Cells in your blood that fight germs and disease
10. Cells in your blood that transport oxygen
13. Nutrient molecules pass through the walls of the digestive system and into the blood
14. Breaking down food using chemicals
17. A protein found in RBCs that helps bind oxygen to the cell
18. Unabsorbed materials pass through as waste
24. A blood vessel that carries blood away from the heart
25. A blood vessel that carries blood towards the heart