Hip and shoulder, the knee has a joint but it's a synovial joint.
I've had a friend similar to yours, yeah you can encourage them to eat but don't make them feel to bad about it. Just try to be there for them because there might be a reason behind why she isn't eating, you should maybe ask her about it. If it gets really serious you should go to an adult.
I hope everything gets better : )
The answer should probably be no if this is an assignment. But if not, you only live once, right? ;p
The Answers C
Probably not D, because its probably not that urgent as this machine can cause severe unconsciousness, or even death.
Maybe not A because it may not be there for the person for its too big, and it usually used in hospitals. Basically, its not portable.
Not B Either.
Answer:
sometimes it can if there is nothing in the way.