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When the heart is at rest or relaxing it is called

A. Diastole
B. Systole
C. Stroke Volume

User Xmike
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2 Answers

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Answer:

B.. i think if its not right give me a 1 star

Step-by-step explanation:

im new

User Ron Shoshani
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Diastole is when the heart muscle relaxes. When the heart relaxes, the chambers of the heart fill with blood, and a person's blood pressure decreases
User Defraggled
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