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10 cards from this deck
Movement of ions across cell membranes
−70-70−70 mV
Polarised
High K+\text{K}^+K+, low Na+\text{Na}^+Na+
Na+\text{Na}^+Na+ enters, potential rises to +35+35+35 mV
Inside positive relative to outside
K+\text{K}^+K+ exits, potential returns to −70-70−70 mV
Nerve: ∼\sim∼5 ms, Heart: ∼\sim∼0.2 s
Natural pacemaker (node)
Contracts
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