The answer is: A nerve block
A nerve block is a procedure of regional anesthesia, surgical or medical injections of substances, aimed at removing pain for a period of time, up to the final eradication of this pain, for therapeutic or diagnostic purposes.This procedure involves the local injection of anesthetic instead of pain. The anesthetic is usually directed to the nerve that serves the pain area.
If I were you I would choose muscles it seems right to me although I might be wrong. Hope this helped some! ;)
Answer:
1. Before: carbon dioxide After: Oxygen
2. Oxygen
3. Chloroplast
No it is native to Southwestern Russia,The caucasus , and turkey. Despite its name, it is not native to Siberia