False. Family's functions are mostly predictable and you know what they'll act like the more you know them.
Any questions let me know :]
By burning off fat calories and when you sweat you are losing a little extra weight
Anxiety disorders are a group of mental disorders characterized by feelings of anxiety and fear, where anxiety is a worry about future events and fear is a reaction to current events.
When you say "protection from harm system," I assume you mean the Integumentary system. It's job is to protect the body from various kinds of damage. Hope this helped! :)