Answer :
Answer:
option D
Explanation:
five
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In this exercise we have to know the fitness zones and know their quantity, so we have five fitness zones.
What does fitness zone mean?
Fitness zones are 5 scale divisions that determine the effort range, the first being the lightest and the fifth the most intense. In a nutshell, they help determine when the effort is light, moderate, or strong.
- Very light: This is the very low intensity zone. Training at this intensity will boost your recovery and get you ready to train in the higher heart rate zones.
- Light: Exercising in heart rate zone 2 feels light and you should be able to go on for a long time at this intensity.
- Moderate: Working out in heart rate zone 3 is especially effective for improving the efficiency of blood circulation in the heart and skeletal muscles.
- Hard: Heart rate zone 4 is where the going gets tough. You’ll be breathing hard and working aerobically.
- Maximum: Heart rate zone 5 is your maximal effort. Your heart and your blood and respiratory system will be working at their maximal capacity.
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