The electrical signal then travels down through the conduction pathways to the heart's ventricles. This causes them to contract and pump out blood.
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How the Heart Works - Virtual Medical CentreVirtual Medical Centre
Impact on Heart Medical professionals think heart failure is the cause of death in most upside-down fatalities, for much the same reason our brains can suffer: When you're head down, your heart slows down its pumping and starts receiving more blood than it has the capacity to manage at one...
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It’s a phenomenon Grip relies on. “By playing a game we extend ourselves into the virtual world,” he says. “This is what makes the sensations so strong.” Lynch is also looking at the physiological response of players – using sensors to monitor heart rate, galvanic skin respon...
It is thought by some to date back to the ancient Greeks, who believed that jealousy resulted in the overproduction of bile, turning human skin a light shade of green. Types of Jealousy Sarah Nabwami adjusts her bandages in a Ugandan burn unit. As she worked at her restaurant, an assaila...
Like all viruses, HIV treads the fine line that separates living things from nonliving things. Viruses lack the chemical machinery that human cells use to support life. So, HIV requires a host cell to stay alive and replicate. To reproduce, the virus creates new virus particles inside a host...
How It Works – The heart is considered a double pump because the right half sends 'used' blood to your lungs. – Science