Across
- 3. to take out or take away
- 4. the blood cells that carry oxygen
- 8. a body part that does a specific job in an organism
- 10. to breathe air out
- 11. two or more objects that work together
- 12. to move liquids with rhythmic force
- 14. to move liquids in one direction
- 15. the act of bringing air into the body
- 17. the red liquid inside out bodies
- 18. system a group of organs that carry blood through the body
- 19. the group of bones that work together to support and protect the body
- 20. to breathe air in
- 21. the group of muscles that work together to help the body move
- 25. to work correctly
- 26. an action that is done thinking about it
- 27. an action that is done without thinking
Down
- 1. the condition of a living organism
- 2. to make something shorter
- 5. a group of organs that breaks down food into energy the body can use
- 6. the blood cells that help the body fight infections
- 7. to make something longer
- 9. the organs that bring oxygen into the body
- 13. the parts of the body that work together to communicate and help the body respond to its environment
- 16. to take something in
- 22. information sent from the brain to a part of the body
- 23. to break down food
- 24. microscopic organisms that can be harmful