Progesterone is a sex hormone produced in the ovaries. Low levels of progesterone can lead to infertility, uterine bleeding, and other complications. Read more.
Definition of hardware for Students. 1 : things (as tools, cutlery, or parts of machines) made of metal. 2 : equipment or parts used for a particular purpose The computer system needs hardware such as monitors and keyboards.
Hardware.  - 1  The physical parts of a computer 2  -. CPU. 3  Central processing unit; the brain of the computer; controls the other elements of the computer.  Disk 1  Drive. A peripheral device that reads and/or writes information on a disk.  Hard Drive.