Answer:
direct observation
Explanation:
because if your constantly monitoring them you should see any abnormal signs
Cardiovascular exercise is any exercise that gets the heart rate up and increases blood circulation. Cardiovascular exercise utilizes large muscle groups. Aerobic exercise requires to use large muscle groups rhythmically and continuously. These muscle movement over a sustained period of time keep the heart rate to at least 50% of its maximum level.
As a person ages their cardiovascular fitness tends to DECLINE.
Answer:
you can't just give me five points just to answer this plenty question
10-13 years normally.
Hope this helps, and good luck!
