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 hard disk is a type of hard drive; it is the type of hard drive that involves magnetic platters and spinning parts. There are other types of hard drives, namely Solid â¦ State Drives (SSDs). These use flash memory, and, true to their name, have no moving parts. + 9 others found this useful. Luan Thanh.