Note that while diastolic blood pressure is diminished and the pulse pressure widens, systolic blood pressure generally remains normal or can even be slightly elevated. This is because sympathetic nervous system and the renin-angiotensin-aldosterone axis of the kidneys compensate for the decreased cardiac output.
Amazon Echo, also known as Alexa, is a voice command device from Amazon.com that is always listening. Its functions include question answering, playing music and controlling smart devices.
Alexa (named after the ancient library of Alexandria) is Amazonâs voice control system. It lets you speak your wishes and see them fulfilledâat least simple ones, like dimming your lights or playing music tracks.