Cardio
Cardio (/'kɑːrdi.oʊ/)
Cardio is a term derived from the Greek word "kardia", which means heart. It is commonly used to refer to cardiovascular exercise, which involves the heart and blood vessels.
Etymology
The term "cardio" is derived from the Greek word "kardia", which means heart. It is often used in medical terminology to refer to the heart or the cardiovascular system.
Definition
In the context of exercise and fitness, cardio refers to aerobic exercise that requires pumping of oxygenated blood by the heart to deliver oxygen to working muscles. In medical terms, it is used to refer to the cardiovascular system, which includes the heart and blood vessels.
Related Terms
- Aerobic Exercise: A type of physical activity that uses large muscle groups, can be maintained continuously, and is rhythmic in nature.
- Cardiovascular System: The system in the body that is responsible for pumping blood and oxygen around the body. It consists of the heart, blood vessels, and blood.
- Heart: A muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
- Blood Vessels: The part of the circulatory system that transports blood throughout the body. There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back towards the heart.
See Also
- Cardiology: The study and treatment of disorders of the heart and the blood vessels.
- Cardiovascular Disease: A class of diseases that involve the heart or blood vessels.
External links
- Medical encyclopedia article on Cardio
- Wikipedia's article - Cardio
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