Sodium-potassiumpumpsNoPotassiumleavesslightlyAbatteryCa²⁺in, K⁺outCalciuminfluxSodiuminfluxSodium(Na⁺)AVnodeNaturalPacemakerRightatriumPotassiumleavesTheatriacontractSA node →AV node →Bundle of His→ PurkinjefibersA burstofelectricityEnginesVoltageremainssteady Signalsfrom theconductionsystemActionpotentialsPumpblood 70–100 Tells cellswhen tocontractand relax GenerateelectricalimpulsesSpecializedpacemakercellsSodium-potassiumpumpsNoPotassiumleavesslightlyAbatteryCa²⁺in, K⁺outCalciuminfluxSodiuminfluxSodium(Na⁺)AVnodeNaturalPacemakerRightatriumPotassiumleavesTheatriacontractSA node →AV node →Bundle of His→ PurkinjefibersA burstofelectricityEnginesVoltageremainssteady Signalsfrom theconductionsystemActionpotentialsPumpblood 70–100 Tells cellswhen tocontractand relax GenerateelectricalimpulsesSpecializedpacemakercells

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