Across
- 4. Lies directly behind the nasal cavity
- 7. Process of breathing in air
- 8. A tissue that is for protecting
- 11. Process of breathing out air
- 14. Substances used to combat infection
- 16. Lined with mucous membrane that warms and moistens the air
- 17. Prevents oxygenated blood excites the heart
- 20. It is important in the reproduction of a cell
Down
- 1. They thickest skin layer in the heart
- 2. When liquidy fluid enters the lymphatic system it's known as...
- 3. Join together to form larger lymphatic vessels
- 5. The heart is separated into 4 parts or 4...
- 6. Opposite of proximal
- 9. Vessels in the lymphatic system pass through the
- 10. Cavity that consists of spinal and
- 12. Made out of elastic and fibrous connective tissue
- 13. Filters potential pathogens before entering G.I tract or lungs
- 15. Outermost skin layer and absorbs Vitamin D
- 17. A plane that separates the body into superior and inferior
- 18. Separates the heart into right and left side
- 19. Two divisions of trachea near the centre of the chest