Body Systems

2. organ responsible for extracting oxygen from the air
4. large molecules like proteins, fats, and carbohydrates
5. tiny blood vessels that let red blood cells through single-file
9. a group of organs that work together to perform a specific function
11. system responsible for moving our skeleton
13. system responsible for breaking down food to absorbable molecules
17. form of energy used by cells to function
18. a group of tissues that work
19. the tube that connects your mouth and nose to your lungs (hint: windpipe)
20. organ that produces bile
21. system responsible for pumping blood throughout the body to deliver oxygen to cells
22. type of digestion that involves enzymes
23. a group of the same type of cells that work together
26. molecule needed to produce the energy the cell uses to function
27. organ that performs mechanical and chemical digestion involving hydrochloric acid
29. blood vessels that carry blood away from the heart
30. organ that filters waste from your blood

1. the tube that leads from your mouth to your stomach
3. organ that stores bile
6. proteins that accelerate chemical reactions (hint: lipase, protease, amylase)
7. type of digestion that involves physical movement
8. organ in your digestive system that does the majority of the nutrient absorption (hint: it’s 7 meters long in an adult)
10. system responsible for filtering out toxins from the liquid in our bodies
12. blood vessels that carry blood to the heart
14. system responsible for supporting our body
15. system that is responsible for bringing oxygen into the body and removing carbon dioxide from the body
16. organ in your digestive system that does the majority of the water absorption
23. bones found in the skull that mash together to digest food mechanically
24. organ that contracts and relaxes to move blood throughout the body
25. waste product of cellular respiration
28. smallest level of organization in our body