During exercise, the body undergoes several physiological changes to meet increased energy demands. The cardiovascular system increases heart rate and blood flow to deliver more oxygen and nutrients to working muscles. The respiratory system enhances breathing rate and depth to facilitate greater oxygen intake and carbon dioxide expulsion. Additionally, metabolic processes shift to utilize stored energy sources more efficiently, supporting prolonged physical activity.
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The phosphagen system, specifically involving creatine phosphate, is primarily used at the beginning of exercise and during high-intensity short-duration exercise. This system provides quick energy through the breakdown of creatine phosphate to regenerate ATP, which fuels muscle contractions during these intense activities.
Though the skeletal does come under pressure during exercise, the movements are beneficial for strengthening the muscles and bones. Exercise also enhances flexibility.
it means you dont use much oxygn during exercise
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it means you dont use much oxygn during exercise
The respiratory system is unimportant during strength training and stretching. It is very important during cardiovascular exercise (cardio). Regular cardio that is neither too mild nor too strenuous can be very beneficial to your body. .
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