Across
- 4. Three bones in either middle ear that are among the smallest bones in the human body.
- 6. A component of blood whose function is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot.
- 8. This organ pumps blood through the blood vessels of the circulatory system.
- 9. The two opposing layers of serous membrane overlying the lungs and the inside of the surrounding chest walls.
- 10. Called a voice box.
- 12. A small blood vessel, from 5 to 10 micrometres in diameter, and is part of the microcirculation system.
- 14. Is a bone protective cavity for the brain.
- 15. A strong, flexible connective tissue that protects your joints and bones.
Down
- 1. The opening between the vocal folds.
- 2. The fibrous connective tissue that connects bones to other bones.
- 3. Is the only bone in the thigh.
- 5. Prevents food and water from entering the trachea and the lungs.
- 7. A small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries.
- 11. The part of the throat behind the mouth and nasal cavity, and above the esophagus and trachea.
- 13. one of the two upper chambers in the heart that receives blood from the circulatory system.