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.
The third type of topology is called a screened subnet gateway. Screened subnet gateway architecture includes two screened host gateway devices that isolate the LAN from the Internet, creating what is known as a screened subnet, or DMZ, between them. The architecture also includes a proxy server (bastion host).