(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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Potassium leaves
AV node
Calcium influx
Right atrium
The atria contract
A burst of electricity
Ca²⁺ in, K⁺ out
Signals from the conduction system
Sodium (Na⁺)
Action potentials
Natural Pacemaker
A battery
Engines
Potassium leaves slightly
Specialized pacemaker cells
Generate electrical impulses
No
Sodium-potassium pumps
Sodium influx
Tells cells when to contract and relax
Pump blood
70–100
Voltage remains steady
SA node → AV node → Bundle of His → Purkinje fibers