Elevated levels of CK-MB indicate that the muscles cells in the heart have been damaged. If the total CK level is high but the levels of CK-MB are low, this usually indicates that another muscle has been injured, while a high ratio of CK-MB: total CK indicates that the heart has been damaged.
Windows Explorer is the file management application in Windows. Windows Explorer can be used to navigate your hard drive and display the contents of the folders and subfolders you use to organize your files on your hard drive. Windows Explorer is automatically launched any time you open a folder in Windows XP.
1 The Computer window will list all of the disk drives and devices attached to the computer.  Locate your hard drive. This will denoted as Local Disk (C:) or Windows (C:) on most computers. Note that if you have multiple hard drives, you can use these steps to check each of them individually. Clicking on the drive in this window will show the Free and used space at the bottom of the window. Continue on to see your hard disk space represented by a pie chart.