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.
The four heart valves are: 1  the tricuspid valve, located between the right atrium and the right ventricle; 2  the pulmonary (pulmonic) valve, between the right ventricle and the pulmonary artery; 3  the mitral valve, between the left atrium and left ventricle; and. 4  the aortic valve, between the left ventricle and the aorta.