Medicare allowed $5.3 billion for Part B services provided to 1.8 million nursing home. residents who were not in a Part A covered stay in CY 2002. The $5.3 billion represents. 5 percent of the total amount that Medicare allowed for all Part B services during.
Vital Organ Lungs. This animated widescreen PowerPoint template shows the human lungs breathing in and out while being measured by a spirometer. There is also a standard (4x3) version of this template available.
The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart. Their function in the respiratory system is to extract oxygen from the atmosphere and transfer it into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange. Respiration is driven by different muscu