​In General, the Minimum Amount of Exercise Necessary for Cardiovascular

Multiple Choice

​In general, the minimum amount of exercise necessary for cardiovascular health is about

A) ​20 to 30 minutes of brisk walking or jogging, 5 times a week.
B) ​30 to 45 minutes of moderate jogging, 5 or 6 times a week.
C) ​30 to 45 minutes of vigorous running, 7 times a week.
D) ​45 to 60 minutes of jogging, 5 to 7 times a week.