Across
- 6. striated muscle that can be controlled voluntarily
- 9. a clear liquid secreted by glands in the mouth
- 11. a digestive juice secreted by the liver
- 12. a muscular partition in the chest used in respiration
- 14. a band of tissue connecting a muscle to its bony attachment
- 15. a blood vessel that carries blood toward the heart
- 17. a band of fibrous tissue connecting bones or cartilages
- 19. a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels
- 20. the muscle tissue of the heart
Down
- 1. the watery fluid in which blood cells are suspended
- 2. the chief solid component of mammalian urine
- 3. any of the small tubules that are the excretory units of the vertebrate kidney
- 4. the structure containing the vocal cords
- 5. a flap of cartilage that covers the windpipe while swallowing
- 7. the passage between the pharynx and the stomach
- 8. tough elastic tissue, mostly converted to bone in adults
- 10. a chamber of the heart that receives blood from an atrium
- 13. a blood vessel that carries blood from the heart to the body
- 16. a red protein in blood that transports oxygen
- 18. a chamber connected to other chambers or passageways