Sarah Klein is a health writer, editor, and certified personal trainer with over a decade of experience in media. She has held editorial positions at LIVESTRONG.com, Health, Prevention, and The ...
Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...
Jessica Gibson is a content update editor and writer for Investopedia. She has over 10 years of experience in digital publishing and three years of experience covering financial topics like insurance, ...
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