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