Factors affecting Cardiac Output. HR SV and Co. Shade the letter of your answer Explain how the following factors affect A ncresse 8 Decrease C Stay the same Factor HR SV co Increased venous 21 22 23 retum Exercise 24 25 26 Increased Caloium 27 28 29 Decreased Heart Rate 30 31 32 Increased 33 34 35 Sympathetic Activity 8

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