Across
- 4. these are the type of muscles we can control
- 6. the skeletal system offers ________ & protection
- 9. the elbow is an example of this kind of joint
- 10. the body system responsible for breathing
- 11. which intestine is longer?
- 12. many muscles work in ________
- 13. the inner-most part of the bone
- 14. the heart is divided into sections called ______
Down
- 1. carbon ______ is exhaled from your lungs
- 2. where does digestion begin?
- 3. another name for your wind pipe
- 5. the tube that travels from your mouth to your stomach
- 7. muscles that work without us thinking about it is called ________
- 8. your ______ protect your heart and lungs
- 12. the biggest part of blood that is mostly made of water
