Diastole is:
the technical name for a heart attack
a form of hypertension
when the ventricles relax and fill with blood
the contraction of the ventricles

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Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which description provides the best objective summary of the article in the passage?