Answer: If you're supposed to change it, it looks correct. I see no change needs to be made.
Explanation:
I'm not sure if this is supposed to be true or false, or what?
If so, it's true... if not, see answer above.
I think this paragraph is mainly explaining the use of the nerves and exons, and what to do.
The book of synonyms and ANTONYMS is thesaurus.
This is what I searched up in google. You can put it in your own words if you want to.