Across
- 5. a group of cells with the same structure and function
- 8. the muscle tissue of the heart
- 10. passage between the pharynx and the stomach
- 12. band of fibrous tissue connecting bones or cartilage
- 13. a blood vessel that carries blood from heart to body
- 14. proteins that act as biological catalyst
- 15. a digestive juice secreted by the liver
Down
- 1. watery fluid in which in which blood cells are suspended
- 2. biological systems maintain stability to survive
- 3. blood vessel that carries blood toward the heart
- 4. blood cells that engulf and digest bacteria and fungi
- 6. important to respiratory and skeletal systems, protects heart and lungs
- 7. the structure containing the vocal cords
- 9. smallest part or building block of an organism
- 11. body parts that perform a given function