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Physics, 14.12.2020 21:20 lindsayrader9628

Which of the following could be cause of a irregular systolic reading 1. The one-way valves are not working
2 Blood is not flowing properly from the veins to the heart
3 Carbon dioxide and oxygen are mixing in the blood
4. The left ventricle is having difficulty contracting

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Which of the following could be cause of a irregular systolic reading 1. The one-way valves are not...
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