Why Is Cardiovascular Fitness Important?

Cardiovascular fitness is the ability of the heart, blood vessels, and respiratory system to supply oxygen and nutrients to the muscles during exercise. People with a high cardiovascular fitness level most likely perform a lot of aerobic exercises. Aerobic exercises are activities that involve consistently exercising for a period longer than 20 minutes, or when the body begins relying on cellular aerobic respiration to create energy. When this happens, the respiratory system and your heart begin to work harder in order to supply the body with energy to continue doing the action. The more the respiratory system and heart work, the more fit they become. Because of this, Cardiovascular fitness is linked to longevity, as well as a low risk of heart disease.

She also explains that high levels of cardiovascular fitness is linked to low levels of LDL cholesterol, which is the cholesterol that causes blood clots and heart attacks. High levels of HDL cholesterol, the kind of cholesterol that lowers the risk of heart disease by clearing up the cholesterol stuck in your arteries, is also common in people with high levels of cardiovascular fitness. As well as having a lowered risk of heart problems, people that do more aerobic activities tend to have more stamina and be more energetic. Aerobic exercises also release endorphins in the person’s body, meaning that they feel much happier(Mercer, para. 8). These perks could all add up to a very important benefit -- a longer