The Cardiovascular System is the system which transports blood around the body. It is made up of the heart and blood vessels that form a closed system. The heart pumps blood throughout the body, and it is a muscular organ about the size of a fist.
Blood is the life-maintaining fluid that circulates through the heart, arteries, veins and capillaries. Blood carries nutrients, electrolytes, hormones, vitamins, antibodies, heat and oxygen to the body tissue. On the return trip to the heart, the blood carries waste matter and carbon dioxide away from the tissue.
High Cholesterol refers to higher concentrations of LDL and lower concentrations of HDL. LDL is also called ‘bad’ cholesterol because it deposits cholesterol on the artery walls forming cholesterol plaques. HDL on the other hand is referred to as ‘good’ cholesterol because it prevents atherosclerosis by removing cholesterol from the arterial walls and disposing of it through the liver.
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Source: Tibb Health Sciences (Pty) Ltd Representative Training Manual Dr. Grant Nijland (M.Tech.Hom) Copyright© 2015