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Biology 15 Online
OpenStudy (anonymous):

Which of the following is true about blood pressure? A. Diastolic pressure is higher than systolic pressure. B. It is not affected by atherosclerosis. C. Artery walls help to maintain pressure, even between heart beats. D. It falls when the heart contracts.

OpenStudy (anonymous):

C im a M.A student

OpenStudy (anonymous):

Thank you :)

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