Across
- 3. the body system that permits movement and locomotion in animals
- 8. the system of the body that brings oxygen into the body and releases carbon dioxide
- 9. wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs
- 10. the place where two bones are connected in a body
- 11. tube at the back of the mouth that leads to either the respiratory or digestive systems; also called the throat.
Down
- 1. the network of solid materials that give an organism's body its structure
- 2. organs of the respiratory system that bring oxygen rich air into the body and send oxygen-poor air out of the body
- 4. wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs
- 5. tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood; singular: alveolus.
- 6. a tube above the trachea; contains the structures used for speech; also called the voice box.
- 7. large airways that lead to the lungs
- 10. the place where two bones are connected in a body