Pacemaker
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WELCOME TO THE SIFT...I’M GABRIELLE BIONDO, FILTERING THROUGH SOME OF THE MOST TALKED-ABOUT STORIES IN ST. LOUIS. IT COULD SOON BE ILLEGAL FOR ANYONE IN THE STATE OF MISSOURI TO TEXT AND DRIVE. RIGHT...
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Thieves reach an all time low. Tony La Russa’s take on instant replays. And an awesome pic from a St. Louis mailman in our meta moment. Unless you’re the mailman. That and more .. Today in The Sift....
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That L.A. land deal may involve a different kind of football. A major retailer chooses health care over cigarettes. And what to do if you don’t like facebook’s video of your life. That and more today...
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I've drawn for you three heart cells. And one of the first things you should be thinking about is, well, how exactly do we know that it's actually a heart cell? So I'm going to...
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[music] This length of axon can be likened to a piece of fuse. The burning match under the axon represents an electrical even that generates an action potential. This event normally takes place at the...
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So let's talk about pacemaker cells. I'm going to actually draw out the action potential for a pacemaker cell. And remember, this is time over here. And let's do it with...
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old coconut tree stricken by the years No one knows the disappointments Of these pale leaves, hanging, beaten Only the poor palm tree The wicked wind took away Separating two lives mercilessly You...
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So we've gotten kind of used to drawing the heart with four chambers. I'm going to draw it with four chambers here, something like this, with two chambers on top. Those are the atria....
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>> CAN YOU SHOW MOMMY WHERE YOUR HEART IS ON YOUR CHEST? VERY GOOD. >> THIS IS ZOEY HARDY AND MY NAME IS JACQUELINE HARDY. AND THIS IS ZOEY'S HEART STORY. WE FOUND...
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