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Social Studies, 21.11.2020 18:00 autumnravenaj
O ciclo cardíaco envolve as contrações e relaxamentos atriais e ventriculares que ocorrem entre o início de um batimento
e outro. Acerca desse assunto, marque a alternativa INCORRETA:
A
A diástole refere-se ao tempo durante o qual o músculo relaxa, e a diástole refere-se ao período durante o
qual o músculo contrai.
B A contração do músculo diminui a pressão, enquanto que o relaxamento aumenta.
© Átrios e ventrículos não contraem e relaxam simultaneamente.
Consiste em uma sequência de alterações de pressão e volume nas câmaras cardíacas.
E A sistole atrial inicia após a onda de despolarização que percorre rapidamente os átrios.
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