Answer:
Don't worry, I can take care of myself.
Answer:
Muscles are attached to bones by tendons and help them to move. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size.
Explanation:
Answer:
b
Explanation:
I'm pretty certain that this is either b or d. This one does sound like its b, though.