The basic functioning unit of the kidney is called the nephron. The kidneys together comprise greater than 2 million nephrons, and each is capable of forming urine. The nephrons function is to clean the blood of unwanted substances as it flows past.
disk drive. n. Computers. A hardware device that reads data stored on a disk and writes data onto the disk for storage. disk drive. n. (Computer Science) computing the controller and mechanism for reading and writing data on computer disks. See also disk2.
A Disk image, in computing, is a computer file containing the contents and structure of a disk volume or of an entire data storage device, such as a hard disk drive, tape drive, floppy disk, optical disc or USB flash drive.