Answer
Homeostasis is the ability of the human body to maintain a relatively consistent internal environment regardless of a constantly changing external environment. It is critical to body function because humans are exposed to a constantly changing external environment, and any major change in the body's internal conditions will result in illness.
Work Step by Step
Homeostasis is the ability of the human body to maintain a relatively consistent internal environment regardless of a constantly changing external environment. It is critical to body function because humans are exposed to a constantly changing external environment, and any major change in the body's internal conditions will result in illness.