bands of smooth muscle cells connected to each hair follicle to the papillary layer of the dermis that when contracted the hair follice is pulled uprights(created goose bumps).
Common Access Card (CAC) The CAC, a smart card about the size of a credit card, is the standard identification for active duty uniformed service personnel, Selected Reserve, DoD civilian employees, and eligible contractor personnel.
1 After 2010, the DoD ID number, instead of the SSN, will be printed on DoD-issued military and military-dependent ID cards. 2  The DoD ID may be retrieved while logged on to a computer if the user has a CAC, CAC reader, and CAC middleware installed on the machine.  Insert the CAC into the reader on the computer.