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