Across
- 2. The ___________ system moves blood carrying oxygen, waste products, nutrients, and other materials throughout the body.
- 4. The _________ system includes the lungs, diaphragm, and the airways that allow air into and out of the body.
- 5. Movement of air in and out of your lungs
- 9. Muscle only found in your heart
- 10. A body system is a group of ____ that work independently or together to perform major functions in the human body.
- 13. What system includes the bones and muscles?
- 14. Body part where two bones come together
Down
- 1. The circulatory system includes the _____ as well as the blood vessels and veins which carry (circulate) blood around the body.
- 3. The ______ is part of the circulatory system.
- 6. After you breathe air into your lungs, oxygen from the air goes into your __________.
- 7. In the hierarchy of living things, what is the largest?
- 8. What is an organ made of?
- 9. The respiratory system provides the body with oxygen that cells need to produce energy and removes _____ from the body.
- 11. The involuntary muscles in your intestines contract and relax to move food through your digestive system.
- 12. Beneath the outer membrane of bone there is a layer of _______ ______.