Across
- 3. Organ responsible for breathing
- 5. Waste product that is expelled from the lungs
- 6. System that controls the heartbeat, breathing rate, and blood pressure
- 11. System that moves the body
- 13. Tissue that lines digestive organs and blood vessels
- 17. Organ that is responsible for absorbing nutrients into the blood
- 19. Windpipe (Pipe that goes to the lungs)
- 21. Whole living thing
- 22. System that inhales oxygen and exhales carbon dioxide
- 25. System that removes waste from the body
- 26. Tissue that moves the bones
- 29. Made of many cells formed together
- 31. Level of organization that consists of many organs working together
- 32. Tissue that makes up the heart
Down
- 1. System that digests and absorbs nutrients
- 2. Organ that mixes food with gastric juices
- 4. Bone that protects the brain
- 7. System that transports nutrients around the body
- 8. System that defends the body against infectious agents
- 9. Cells that fight foreign invaders
- 10. Basic Unit of Life
- 12. Blood vessels responsible for gas exchange
- 14. Circulatory and Respiratory system work together to deliver _______ to the body.
- 15. Organ that contracts and relaxes the help the lungs
- 16. Level of Organization that is made of two or more tissues
- 18. Brain and Spinal cord
- 20. Produces blood cells
- 23. Organ that pumps blood throughout the body
- 24. Organ that sends signals to other systems to respond to stimuli
- 27. Organ that removes urea from the blood
- 28. System that supports and protects the body
- 30. Tube that connects mouth to stomach