Answer:Exercise and Heart Rate
To achieve both weight loss and increase your fitness, it's best to exercise 45 to 60 minutes 5 times per week. If you are a man, you can find your recommended maximum (or target) heart rate range for exercise by subtracting your age from the number 220.
This is important so your on a strict schedule and will help you to push yourself more and not just blow it off
I think it's plastic bag. I'm taking the test right now.