Across
- 6. Detect changes in blood pressure
- 7. A cartilaginous tube leading from the larynx to lungs
- 9. Spongy air filled organs located in the thorax
- 12. Gaseous exchange happens here
- 13. The main artery leaving the heart originating from the left ventricle
- 15. Detect changes in pH, Co2 and O2 levels
- 16. Body system responsible for excretion and retention of electrolytes
- 19. Prevents over-inflation of the lungs
- 20. This node initiates the heart beat
- 21. Dividing wall between the right and left sides of the heart
Down
- 1. Alteration in body pH caused by excess hydrogen ions
- 2. A corrective mechanism to lower blood pressure, stimulated by the medulla
- 3. Relating to the lungs
- 4. A circulatory state where the cardiac output is insufficient to maintain adequate blood flow to the tissues
- 5. A large vein carrying deoxygenated blood back to the heart
- 8. Drugs may be bound to this protein to be transported around the body
- 10. Heart rate X ....... = Cardiac output
- 11. Muscle responsible for increasing the volume of the thorax during respiration
- 14. Upper chambers of the heart
- 17. Fibres that are part of the electrical conduction network in the heart
- 18. Anaesthetic drugs must be ...... to reach the brain