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Cardiovascular A system of blood vessels and organs that supply oxygen and nutrients to the body's cells, while removing waste products such as carbon dioxide. ■ "I need to work out more often if I want to keep my cardiovascular system in tip-top shape."
Cardiogram A test used to diagnose cardiovascular disease. Also known as an ECG. ■ "I'm not sure what's wrong with my heart, but I think I need a cardiogram. Maybe it's because I've been eating too much bacon and eggs."
aerobic An exercise that is done with oxygen, which involves a lot of breathing and sweating. Also known as "cardio". ■ "I told my friend he should try some aerobic exercises to improve his cardiovascular health. He replied 'I'd rather get hit by a bus'.
benefits A series of positive consequences or advantages that result from something. Benefits can be material, such as financial gain or improved health, or non-material, such as increased happiness or personal growth. ■ "I'm not sure if going to the gym is worth it, but I heard the benefits of exercise are numerous and include improved cardiovascular health, weight loss, and better mental health. Plus, you might meet some fit and attractive people there!