A burstofelectricitySignalsfrom theconductionsystem70–100 NaturalPacemakerRightatriumAbatterySodium(Na⁺)Voltageremainssteady PotassiumleavesslightlyActionpotentialsSA node →AV node →Bundle of His→ PurkinjefibersTheatriacontractNoSodium-potassiumpumpsTells cellswhen tocontractand relax AVnodeSpecializedpacemakercellsGenerateelectricalimpulsesCalciuminfluxPotassiumleavesSodiuminfluxPumpblood Ca²⁺in, K⁺outEnginesA burstofelectricitySignalsfrom theconductionsystem70–100 NaturalPacemakerRightatriumAbatterySodium(Na⁺)Voltageremainssteady PotassiumleavesslightlyActionpotentialsSA node →AV node →Bundle of His→ PurkinjefibersTheatriacontractNoSodium-potassiumpumpsTells cellswhen tocontractand relax AVnodeSpecializedpacemakercellsGenerateelectricalimpulsesCalciuminfluxPotassiumleavesSodiuminfluxPumpblood Ca²⁺in, K⁺outEngines

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