Carbon dioxide diffuses out of the tissues and into the blood, where it is dissolved in the plasma. While some of the carbon dioxide remains dissolved in the plasma, most carbon dioxide diffuses into our red blood cells.
A screencast is a digital movie in which the setting is partly or wholly a computer screen, and in which audio narration describes the on-screen action. It's not a new idea.
Although visually similar, Chromecast and Android sticks work quite differently. The Chromecast is simply an enabler. It enables you to mirror your Chrome tab from your computer to your TV, or broadcast certain apps from your Android or iOS device to your TV.