@lgogogol Cardio (exercises) is any exercise that raises the heart rate to to make it stronger.
Aerobics is a low to high intensity workout to strengthen the cardio vascular system. It helps the heart and lungs to strengthen to improve oxygen flow in your body.
In simple terms:
Cardio - strengthen heart
Aerobics - improve oxygen flow throughout the body
While both types of exercises can strengthen the cardiovascular system, cardio is focus on the muscles to improve your heart rate to make it stronger and aerobics is focus on the oxygen flow within your body so the it can function better.
@lgogogol Basically, both words are related to the human body. The word “cardio” is the short version of the word “cardiovascular” which means “things that use or closely related to the human heart and blood vessels”. But in the world today, the word “cardio” only means “exercises that are done with the primary goal of increasing your heart rate to a high level and maintaining that high level for a long time”. “Cardiovascular System” means “the heart and blood vessels as a whole” and is a term used in biology classes. However, you could say “Cardio System” to mean “Cardiovascular System” and be technically correct, but I have never heard anyone saying “Cardio System” because it just doesn’t sound right (type this into Google, and Google will also think you’re making a mistake). The word “aerobic” means “occurring in the presence of oxygen”. The word “aerobic” is used in the words “aerobic exercise” and has almost identical meanings with the words “cardio exercise” because not only they have the word “exercise” in it but in that they both occur when you exercise (when you do cardio exercises, your heart rate increases; when you do aerobic exercises, your heart rate increases, as well) The main difference between “cardio” and “aerobic” is that “aerobic” could involve the lungs because of the oxygen aspect, but “cardio” is only the heart and blood vessels, not the lungs.
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