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.
Your heart has these four valves: the tricuspid valve, which is located between the right atrium and the right ventricle; the pulmonary valve, which is located between the right ventricle and the pulmonary artery; the mitral valve, which is located between the left atrium and the left ventricle