Deezer Deezer Deezer is an Internet-based music streaming service. It allows users to listen to music content from record labels including Sony Music, Universal Music Group, and Warner Music Group on various devices online or offline. Created in Paris, France, Deezer currently has 53 million licensed tracks in its library, with over 30,000 radio channels, 14 million monthly active users, and 6 million paid subscribers as of 3 April 2018. The service is available for Web, Android, iOS, Windows Mobile, BlackBerry OS and Windows, MacOS. In 2006, Daniel Marhely developed the first version of Deezer, called Blogmusik, in Paris. Its idea
Tidal volume Tidal volume Tidal volume (symbol V or TV) is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young human adult, tidal volume is approximately 500 mL per inspiration or 7 mL/kg of body mass. Tidal volume plays a significant role during mechanical ventilation to ensure adequate ventilation without causing trauma to the lungs. Tidal volume is measured in milliliters and ventilation volumes are estimated based on a patient's ideal body mass. Measurement of tidal volume can be affected (usually overestimated) by leaks in the