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.
When viewing a public or unlisted Screencast, there is an embed button. You will get a snippet of html code that you can paste into your own website. This will embed the Screencast, and viewers will be able to play the Screencast directly from your page, or follow a link to view it on the Screencast website.