Top 5 Herbs & Spices to Clean Your Arteries that Can Prevent a Heart Attack. Arteries are the blood vessels that deliver oxygen-rich blood from the heart to different tissues in the body. When plaque builds up and blood flow becomes inhibited, these clogged or blocked arteries can lead to more serious problems such as heart attack, stroke and other cardiovascular diseases. So what can you do to keep your arteries healthy and free of blockage?. Here you can find out best ways to clean clogged arteries to prevent heart attack.