RightatriumSpecializedpacemakercellsCalciuminfluxSodium-potassiumpumpsSodium(Na⁺)AbatteryGenerateelectricalimpulsesEnginesSignalsfrom theconductionsystemVoltageremainssteady Tells cellswhen tocontractand relax NoSodiuminfluxAVnode70–100 TheatriacontractCa²⁺in, K⁺outNaturalPacemakerPotassiumleavesslightlyPotassiumleavesA burstofelectricitySA node →AV node →Bundle of His→ PurkinjefibersActionpotentialsPumpblood RightatriumSpecializedpacemakercellsCalciuminfluxSodium-potassiumpumpsSodium(Na⁺)AbatteryGenerateelectricalimpulsesEnginesSignalsfrom theconductionsystemVoltageremainssteady Tells cellswhen tocontractand relax NoSodiuminfluxAVnode70–100 TheatriacontractCa²⁺in, K⁺outNaturalPacemakerPotassiumleavesslightlyPotassiumleavesA burstofelectricitySA node →AV node →Bundle of His→ PurkinjefibersActionpotentialsPumpblood 

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