When the heart contracts, called , blood pressure increases; when the heart relaxes, called , blood pressure decreases.pulmonary; systemic?

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12-11-2017
Biology

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When the heart contracts, called , blood pressure increases; when the heart relaxes, called , blood pressure decreases.pulmonary; systemic?

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meerkat18 meerkat18 · Answer 1 · 2017-11-24T01:34:58+01:00

meerkat18 meerkat18

24-11-2017

When the heart contracts, called systole, blood pressure increases. When the heart relaxes, called diastole, blood pressure decreases. Systole phase or contraction is started by the electrical cells of the sinoatrial node. The diastole phase is the period when the heart relaxes after contraction.

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When the heart contracts, called ______, blood pressure increases; when the heart relaxes, called ______, blood pressure decreases.pulmonary; systemic?

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When the heart contracts, called , blood pressure increases; when the heart relaxes, called , blood pressure decreases.pulmonary; systemic?