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Biology, 21.06.2019 20:40
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
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Biology, 22.06.2019 05:00
Idon’t know the answer and i’ve been stuck on it for a while now skskskskks
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Biology, 22.06.2019 05:30
Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor
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Hola me pueden ayudar a terminar de llenar el mapa por fa ayudenme con eso ES PARA HOY POR FA AYUDEN...
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