Across
- 3. Blood vessel which oxygen and nutrients travel from the heart to organs
- 5. Blood that carries platelets, red blood cells and white blood cells around the body
- 9. Blood vessel that carries oxygen-rich blood from the heart to the organs and tissues
- 15. Hollow places in the skull and facial bones that are filled with air and lined with mucus
- 16. Lymphoid tissue that sits in the back the nasal passage
- 17. A tissue in the throat that prevents infection
- 18. Body fluid in the circulatory system
- 19. Protects the fingers and toes from injury
- 21. A tube or vessel carrying bodily fluid
- 22. Stores and filters blood
Down
- 1. Stores and concentrates bile
- 2. A protein fillament that grows from follicles
- 4. Produces digestive enzymes and hormones
- 6. A clear or white fluid that is part of the body's immune system
- 7. Clear/yellow fluid that remains from blood plasma after clotting factors have been removed
- 8. A muscular tube in the neck
- 10. Lymphoid organ of the immune system
- 11. The study of how living organisms function
- 12. Carries food and liquid from the mouth to stomach
- 13. small cell fragments that help stop bleeding
- 14. Blood vessels located throughout the body
- 20. Largest organ in the body