Question 12 of 20Which kind of exercise helps your heart work more efficiently?A.Strength trainingB.Flexibility trainingC.Aerobic exerciseD.Anaerobic exercise

Question 2 of 20Which of the following activities provides a good cardio-respiratory workout?A.Practicing yogaB.Taking a breathing technique classC.Lifting weightsD.Swimming lapsSUBMITarrow_backPREVIOUS

Question 9 of 20Which of the following is not a benefit of improved cardio-respiratory fitness?A.Risk of heart disease decreases.B.Resting blood pressure goes down.C.Arteries grow bigger.D.Slower post-exercise recovery time.SUBMITarrow_backPREVIOUS

Question 11 of 20When you improve the ability of your muscles to repeatedly exert themselves, you're improving your __________.A.flexibilityB.cardiorespiratory enduranceC.muscular enduranceD.aerobic fitnessSUBMITarrow_backPREVIOUS

Choose the correct answer.Question 22.Regular exercise can help prevent strength loss and maintain healthy ___________.fitnesscarbohydratelife expectancydiet

What adaptive changes occur in the cardiac system as a result of aerobic exercise?Question 7Answera.Decreased stroke volumeb.Improved cardiac output and decreased heart efficiencyc.Increased resting heart rated.Increased cardiac output and improved heart efficiency