Directions: Select a condition. Then in the flow chart make your predictions about how that condition will affect the heart function variables and the rapid responses responsible for the regulation of blood flow (click the colored text to choose “ = no change”, “+ increase”, or “- decrease”). Click the “check” button to see if your predictions are correct. The correct changes in HR and SV that operate to return the CO to normal or adequate will be shown in the bar chart below.
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