Sponsorship is basically when you receive financial support from someone.
It's largely done for companies.
Sorry if this doesn't really help you. =(
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:
I would say a book. But I’m not sure. Sorry this isn’t much help!