Across
- 3. Vessel that carries oxygenated blood AWAY from the heart.
- 4. Connects bone to bone.
- 7. Vertebrae in the neck of an animal.
- 9. What blood cells fight infections and disease?
- 10. Vessel that carries deoxygenated blood TOWARD the heart.
Down
- 1. What organs filter blood and make urine?
- 2. Control center that allow animals to make noise.
- 5. Valve that separates left atrium from left ventricle
- 6. What muscle is the heart?
- 8. Connects muscle to bone.