I'm sorry but I can't answer your question considering I can not see the rest of it
Nuclear medicine is non-invasive.
Bones are to support our body and to protect internal organs.
Answer:
To haggle is when two parties involved in a transaction such as the purchase of a good and service negotiate the price until both parties can mutually agree on a fair price.
Explanation:
https://www.investopedia.com/terms/h/haggle.asp