To Improve Cardiorespiratory Endurance During Moderate-Intensity Activities Such as Walking

Multiple Choice

To improve cardiorespiratory endurance during moderate-intensity activities such as walking or swimming slowly,you should exercise for at least

A) 10 minutes,five times per week.
B) 15 minutes,four times per week.
C) 30 minutes,three times per week.
D) 45 minutes,three times per week.