The process in which organ systems work to maintain a stable internal environment is called homeostasis. Keeping a stable internal environment requires constant adjustments.
Humans rely on homeostasis to keep their core temperature hovering around 98.6 degrees Fahrenheit so that their bodies can maintain proper function. When overheated, thermosensors in the skin and brain sound an alarm, initiating a chain reaction that directs the body to sweat and flush.
You have a middle names because when you are born or even before your parents pick a name for youa first name and it is up to your parents when you are born you either dont or do get a middle name.