Changes

'''Surgery''', is a medical procedure which involves cutting and restitching of [[tissue]]s.<ref>http://www.merck.com/mmhe/sec25/ch301/ch301a.html</ref>  Traditionally, surgery was performed by cutting the tissue with a scalpel, and later closing the tissue with stitches.  Today, however, [[Laser Surgery]] cuts the skin using a laser, and some wounds are closed without stitches.

'''Surgery''' is a medical procedure which involves cutting and restitching of [[tissue]]s.<ref>http://www.merck.com/mmhe/sec25/ch301/ch301a.html</ref>  Traditionally, surgery was performed by cutting the tissue with a scalpel, and later closing the tissue with stitches.  Today, however, [[Laser Surgery]] cuts the skin using a laser, and some wounds are closed without stitches.

There are three types of necessary surgery: emergency, urgent, and elective.  Emergency surgery is extremely urgent, and minutes count.  Urgent surgery is still quite urgent, but can be put off for a few hours.  Elective surgery can be put off for some time.

There are three types of necessary surgery: emergency, urgent, and elective.  Emergency surgery is extremely urgent, and minutes count.  Urgent surgery is still quite urgent, but can be put off for a few hours.  Elective surgery can be put off for some time.