CalciuminfluxNaturalPacemakerRightatrium70–100 ActionpotentialsPumpblood A burstofelectricitySA node →AV node →Bundle of His→ PurkinjefibersSodiuminfluxCa²⁺in, K⁺outSodium-potassiumpumpsEnginesGenerateelectricalimpulsesAbatteryNoTheatriacontractSignalsfrom theconductionsystemSpecializedpacemakercellsSodium(Na⁺)PotassiumleavesAVnodeTells cellswhen tocontractand relax Voltageremainssteady PotassiumleavesslightlyCalciuminfluxNaturalPacemakerRightatrium70–100 ActionpotentialsPumpblood A burstofelectricitySA node →AV node →Bundle of His→ PurkinjefibersSodiuminfluxCa²⁺in, K⁺outSodium-potassiumpumpsEnginesGenerateelectricalimpulsesAbatteryNoTheatriacontractSignalsfrom theconductionsystemSpecializedpacemakercellsSodium(Na⁺)PotassiumleavesAVnodeTells cellswhen tocontractand relax Voltageremainssteady Potassiumleavesslightly

SA Node and Myocardial Cell Action Potential - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. Calcium influx
  2. Natural Pacemaker
  3. Right atrium
  4. 70–100
  5. Action potentials
  6. Pump blood
  7. A burst of electricity
  8. SA node → AV node → Bundle of His → Purkinje fibers
  9. Sodium influx
  10. Ca²⁺ in, K⁺ out
  11. Sodium-potassium pumps
  12. Engines
  13. Generate electrical impulses
  14. A battery
  15. No
  16. The atria contract
  17. Signals from the conduction system
  18. Specialized pacemaker cells
  19. Sodium (Na⁺)
  20. Potassium leaves
  21. AV node
  22. Tells cells when to contract and relax
  23. Voltage remains steady
  24. Potassium leaves slightly