Cardiorespiratory fitness
Cardiorespiratory fitness refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity. Regular exercise makes these systems more efficient by enlarging the heart muscle, enabling more blood to be pumped with each stroke, and increasing the number of small arteries in trained skeletal muscles, which supply more blood to working muscles. Exercise improves the respiratory system by increasing the amount of oxygen that is inhaled and distributed to body tissues.
Cardiorespiratory fitness is also sometimes referred to as Aerobic exercise.
There are many benefits of cardiorespiratory fitness. Some include improving stamina, longer endurance, increase in energy, better sleep, and can make a person feel happier. It can also reduce the risk of heart disease, lung cancer, type 2 diabetes, stroke, and many other sicknesses. Cardiorespiratory fitness helps improve the condition of your lungs and heart, and will make you feel strong.
For an average person, cardiorespiratory fitness is recommended at least every week for a healthier body and stronger build.
References
Rebeka J. Donatello. Health, The Basics. 6th ed. San Francisco: Pearson Education, Inc. 2005
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See also
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