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When working to increase endurance levels, oxygen is one of the most significant limiting factors.

When we exert ourselves, push our heart rate to the limits, and break a sweat, we can feel the difference. Thousands of studies have demonstrated the positive impact of improving cardiovascular endurance on health. Hence we “get our blood pumping” when we perform cardio. Ultimately, this makes our heart stronger and able to pump greater volumes of blood throughout our body to distribute oxygen more efficiently.

Physical exertion strengthens both the cardiovascular and respiratory systems allowing us to take in and manage more oxygen, resulting in increased red blood cells and hemoglobin. Our lungs control our respiratory system and help us breathe in air that contains oxygen which gets pumped to our muscles and organs to keep them functioning optimally. Controlled by our heart, the pathways for oxygen and blood include arteries, veins, and capillaries. Our cardiovascular system maintains our heartbeat and pumps oxygen and blood throughout the body. This process involves our heart, lungs, and blood vessels to keep that oxygen pumping throughout the body - making it essential for our vascular and respiratory systems to work together. The longer we perform an activity, the more oxygen our body requires. Muscles require oxygen when engaged in activity for long stretches. You can distinguish aerobic from anaerobic exercise that is punctuated bursts of performance activities that break down glucose for energy without the use of oxygen.Ĭardiovascular endurance depends on how well the body can deliver oxygen to muscles. Aerobic exercise is any exertion where the breathing and heartbeat are elevated, prolonged, and depend on oxygen usage. Ĭardiovascular endurance refers to the body’s ability to perform aerobic exercise over a sustained period. Other related terms include aerobic fitness, cardiovascular fitness, and aerobic capability, all relating to how efficiently oxygen is used in the body during cardiovascular endurance exercises. Cardiovascular endurance is more than part of a fitness routine it’s how we push our bodies to do and achieve more - a measure of our physical performance.