Across
- 1. cells/ Produce antibodies to fight infections
- 2. duct/ Largest lymphatic vessel in the body
- 5. Long-term airflow blockage
- 8. Building blocks of DNA and RNA
- 11. Fluid within the lymphatic system is called
- 12. cells/ Alerts other immune cells to fight
- 13. What system makes hormones that control body functions
- 14. Air in and out during normal breathing
- 15. Chemically breaking down food into nutrients
Down
- 1. arteries/ Carry oxygenated blood to lung tissue itself
- 3. Filters blood
- 4. Enzymes break down lactose
- 6. Dependent on the force of air out of the lungs
- 7. Temporary stopping of breathing
- 9. Secret pepsinogen
- 10. Innermost layer of the GI tract