SCIENCE BODY SYSTEMS

SCIENCE BODY SYSTEMS

Robert Howie

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Across

1. Cells that fight disease.

4. A cell with a potentally harmful virus.

9. Carrys blood to the heart.

12. Carrys blood away from the heart.

13. The system that includes certain glands.

15. Helps clott blood.

17. The system that alerts the body of certain changes.

18. The system that includes the lungs.

19. Where gas exchange occurs in the body.

Down

2. Includes the heart, blood, and blood vessels.

3. Cells that carry oxygen.

5. 1% of the blood is this.

6. The lower chambers of the heart.

7. The system that breaks down food.

8. The system that removes wastes from the body.

10. The liquid part of the blood (mostely water.)

11. A part of the body that carrys out a certian function.

14. The breaking down of food in the body.

16. The upper chambers of the heart.

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