5. Using the formulas for stroke volume, SV = EDV - ESV, and ejection fraction, EF = SV/EDV x 100%, fill in the following table and use the data to complete questions 6-10. End-Diastolic Volume (mL) End-Systolic Volume (mL) Stroke Volume (mL) Ejection Fraction A 160 80 80 50% B 180 60 120 66.7% C 100 50 50 50% D 155 90 65 41.9% E 120 30 90 75% 6. Which row above represents the individual with the greatest venous return? Explain your answer. 7. Which row above represents the individual with the greatest contractility? Explain your answer. 8. Which row above represents the individual with the weakest heart? Explain your answer 9. Which row above represents the individual most likely to be exercising? Explain your answer.