Rob can't find much time to exercise, but he knows he has to do some activity to keep his heart healthy. which of the following is most likely to benefit him, if he remains in his target heart rate zone?
biking to the convenience store (5 minutes)
running to work instead of driving (20 minutes)
swimming after school (10 minutes)
lifting weights while on the phone (30 minutes)

The correct answer is running to work instead of driving.

Running is a good cardio-respiratory exercise. It will strengthen the heart and lungs.  20 minutes a day is a good daily workout and it can be fitted into his day as he will be doing it instead of driving to work.

absolutly 100% never let anyone fall asleep for 24 hours after a head injury!

answer; i believe that the correct answer is (b) communication skills);