The first one is having a service dogs. service dogs are professional helpers to people with disabilities. dogs can help saves life and even call 911 thru the phone!
The second is buying a product at a store. if you not sure about the product ask a doctor first to see if the product gonna work
Last is simple,Try to go to the hospital. hospital saves millions of lives and can give worth of money but worth it.
The correct answer would be #3.
I believe you are asking about the "triangle" we were tought a simple triangle. Cells at the bottom because there are the most of them, tissues next, organ next, and organ system at the top. So I believe the answer you are looking for is Organ System.
Known as cumulative trauma disorders
