Across
- 3. throbbing heartbeat
- 5. brainstem region controlling vital functions
- 8. right atrioventricular valve
- 11. blood pressure measuring device.
- 13. artery condition leading to blockages
- 17. small artery
- 18. related to the lungs
- 19. heart's natural pacemaker
- 20. emergency response to low blood pressure
- 21. blood vessel narrowing
Down
- 1. tiny blood vessels for exchange
- 2. sensory receptors for body position
- 4. arm artery
- 6. internal balance in the body
- 7. high blood pressure
- 9. lacking oxygen
- 10. rich in oxygen
- 12. small blood vessel
- 13. main body artery
- 14. inner space for the tube
- 15. heart's relaxation phase
- 16. pertaining to the whole body