Across
- 4. The "fight or _____" response. (6)
- 6. Caffeine is primarily found in these highly caffeinated beverages linked to Joshua's presentation (type of drink) (6,6)
- 7. The heart's natural pacemaker (type of node). (6)
- 9. A neurotransmitter whose receptors are blocked by caffeine. (9)
- 10. Elevated blood pressure. (12)
- 12. Abnormally fast heart rate. (11)
- 14. Increased heart rate. (11)
- 15. - Blood vessels normally widen through this process. (11)
- 16. Branch of physiology describing how the body maintains stable internal conditions. (11)
- 18. Mineral released from the sarcoplasmic reticulum to strengthen muscle contraction. (7)
- 19. Narrowing of blood vessels that contributes to increased blood pressure. (15
Down
- 1. Hormone released during the fight-or-flight response. (10)
- 2. Methylxanthine stimulant commonly found in coffee and energy drinks. (8)
- 3. Type of receptor in the heart stimulated by adrenaline following caffeine consumption. (4)
- 5. General term for substances that bind to receptors to produce a response. (7)
- 7. Division of the autonomic nervous system activated by caffeine. (11)
- 8. Caffeine blocks these to produce its physiological effects. (9)
- 9. The electrical gateway between the atria and ventricles (type of node). (6,4)
- 10. Electrical activity of the heart increases this measurement. (10,4)
- 11. Neurotransmitter released alongside adrenaline by sympathetic nerves. (13)
- 13. Increased force of cardiac contraction. (8)
- 17. Fifteen-year-old Indigenous rugby player in the case study. (6)