Across
- 4. The lower jaw bone used for chewing and speaking
- 5. Airways that branch into the lungs
- 6. Tiny air sacs in the lungs for gas exchange
- 9. Protein in blood that carries oxygen
- 11. The bony structure that protects the brain
- 14. The bone linking the chest to the shoulder
- 15. The main muscle of the calf used for movement
- 17. The shoulder blade bone connecting arm and torso
- 18. Muscle that controls breathing
- 19. The cheek area forming the side of the mouth
Down
- 1. Upper leg region containing the femur bone
- 2. Front lower leg area related to the tibia
- 3. A nerve cell that transmits signals
- 7. Tube that carries food to the stomach
- 8. The smallest blood vessels in the body
- 10. The windpipe that carries air to the lungs
- 11. Brain part responsible for balance and coordination
- 12. The protruding chin area of the lower jaw
- 13. The region of the forehead above the eyes
- 16. Organ that produces digestive enzymes and hormones