The most important thing about the Pixel, for Google and Android and probably you as well, is that this is the first phone to have the Google Assistant built in. Google Now is dead, long live the Google Assistant. Itâs a core piece of the phone, available everywhere just the way Siri is on the iPhone.
1 Understanding the role of each of the four heart valves can help you learn why you might need to be on the look out for certain signs and symptoms. 2  Additional valve terms and related conditions can help you broaden your understanding, too.
There are 4 valves in the heart: tricuspid, pulmonary, mitral, and aortic. Regurgitation is also called insufficiency or incompetence. Regurgitation happens when a valve doesn't close properly and blood leaks backward instead of moving in the proper one-way flow.very time your heart beats, blood flows into, through, and out of your heart. In fact, your heart moves about 100 gallons (379 liters) of blood through your body every hour. Two types of problems can disrupt blood flow though the valves: regurgitation or stenosis.