Across
- 2. the upper half of the torso
- 5. a chemical process in which energy is released from glucose
- 7. your trachea splits into two of these
- 8. the mineral which makes bones strong
- 9. adults have 206 of these and babies have anywhere between 207 and 300 of them
- 11. connects bone to bone; elastic and stretchy and allows the joint to move
- 12. breathing in and out can also be called this
- 13. respiration exchanges this for carbon dioxide in the lungs
Down
- 1. also known as air sacs; place where the transfer if gases takes place
- 3. a medical condition which affects your breathing
- 4. a type of joint found in the places such as the knee
- 6. the place where two bones meet; allows movement throughout the body
- 8. a strong and spongy tissue; reduces friction
- 10. connects muscle to bone; inelastic and allows the muscle to pull on a bone
