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An excitation signal (an action potential) is created by the sinoatrial (SA) node.The wave of excitation spreads across the atria,causing them to contract.Upon reaching the atrioventricular (AV) node, the...
In order to make sure that safety precautions are met, when handling blood samples we must make use of gloves in order to cover all cuts and avoid contact. Furthermore, you must store samples in sealed co...
Metal + acid ---- salt + waterso... Salt + water are the two products produced
Alpha, beta, gamma
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