Search results for “heart attacks”

This is how a heart attack happens

The origin may be coronary heart disease. In this case, circulatory disorders occur due to calcium deposits in the coronary vessels. In the worst case, this "arteriosclerosis" can lead to a heart attack. Author: ZDF/3sat/nano/Südkino F i l m p r o d u c t i o n GmbH/Berndt Welz/Hannah Dewies/Tim Sp

What function do heart valves have

The healthy heart has two atria and two ventricles. The atria collect the blood. The larger heart chambers, the ventricles, suck up the blood and then return it to the cardiopulmonary circulation. Author: ZDF/3sat/nano/Südkino Filmproduktion GmbH/Berndt Welz/Hannah Dewies/Tim Sprado/Jochen Schmidt

Anatomy of the heart

The human heart weighs around 350 grams. It beats about 70 times per minute and mostly consists of muscle tissue. The cardiac septum is positioned between the two halves of the heart. Author: 3sat/nano/Bluemoon Media/Volker Wasmut,Patrick Zeilhofer/Tobias Adams/Jochen Schmidt Translation and dubbi

The function of the heart

The heart is the engine of the blood circulation. It supplies every cell in our body with oxygen and nutrients and removes end products of metabolism. The heart pumps approximately 8,000 to 10,000 liters of blood through the body per day. Author: ZDF/3sat/nano/Südkino F i l m p r o d u c t i o n Gm

Nerve impulses in the heart

In a healthy heart, nerve impulses originate solely within the heart itself. The wall of the right atrium contains special cells for this purpose. Specifically, in the sinus node, the natural pacemaker of the heart. Authors: ZDF/3sat/nano/Südkino F i l m p r o d u k t i o n GmbH/Berndt Welz/Hannah

Attack of retroviruses

Like other viruses, retroviruses attack cells and force them to produce more retroviruses. This is only the first stage of the attack, because retroviruses implant into the genome and become part of our DNA. Authors: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schlegel, Max

Cultural history of the heart

Organically, the heart is merely a muscle that pumps blood through the body. But it has always had a special meaning. Author: 3sat/nano/scobel/Ellen Haas/Hartmut Seifert/Walter Freund/Claus Ast/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/Terra

What are viruses and how do they attack?

There are probably 100 million different types of viruses. Their attacks always follow the same pattern. The viruses attach to a cell, transfer their genetic material and force the host cells to produce new viruses. Author: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schleg

Heart Health – English

Be your own sweetheart this year. Make sure your heart is healthy enough to hold all your love. Contact your local Indian health care provider for more information, visit Healthcare.gov, or call 1–800–318–2596. A message from the Centers for Medicare and Medicaid Services.