Respiratory System
Across
- 2. What are the blood cells that transport oxygen
- 7. What are the only human organ that floats?
- 8. What is the part of your blood that helps clot wounds?
- 9. What is the fluid that makes up your blood?
- 10. what does your body need to survive?
Down
- 1. what is the tube the goes from your mouth to your lungs?
- 2. What bones protect your lungs and heart?
- 3. What is the same of the system that helps you breathe?
- 4. What is the muscle that helps you breathe?
- 5. What is one of the most important things you do to stay alive?
- 6. What are the grape like caves where oxygen goes into the blood?