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4 votes
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Is the ACh receptor more permeable to sodium ions?

Short answer No. There are differences in Na+ versus K+ permeability, but you have it backward: potassium is actually slightly more permeable; however, these differences are not the only factors ...
Bryan Krause's user avatar
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2 votes
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Heart rate sensor electrodes to be used for blink detection (simple EOG)

Despite initial difficulties, after inspecting the module really closely, I could successfully identify the (only) microchip on it, which is an Analog Devices IC, with all necessary functionality ...
LimeAndConconut's user avatar
2 votes

Can a dead fish be made to twitch via electrostimulation?

With fish, the hearts can be stimulated to beat just by prodding them. Learnt a long time ago, preparing fresh fish given to me by others.
Polypipe Wrangler's user avatar

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