Homeostasis is the state of steady internal conditions and constant internal environment maintained by living things even when there are external changes. It is maintenance of physio-chemical equilibrium of body.
The following best describes homeostasis: specialized cells work independently to perform their specific functions.
Answer: it is normal to have facial hair popping up at the age of 12 bc u r growing up to be an adult and a bunch of things change on ur body when u grow up
Explanation:
That’s an answer i saw earlier so hope this helps
