|Science & Medicine||17|
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
September 4th, 2013
Episode 988 of 1070 episodes
Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Listen to find out in this podcast from HowStuffWorks.com.