The correct answer is letter D. The sidestroke is probably the stroke that would most likely used up the most calories in the body. This is because the movement is concentrated on one side of the body only, putting effort too much in that area causes blood to pool in the muscles causing extra effort in the body's system.
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During Distance running the (C) The oxidative system becomes more important, and the ATP-PC system becomes less important.
Explanation:
- Distance running is primarily dependent on the supply and delivery of oxygen to the running Muscle.
- It is through the process of aerobic metabolism that the carbohydrates ,fats and protein stored in the body is converted to ATM using oxygen.
- It is the Aerobic energy system that uses oxygen for producing Adenosine triphosphate (ATP) molecule
