i think nervous tissue is with the one that says send signals between brain and body and muscle tissue is with provide structural support for the organ and don't know the rest of them but u can search it in google.
Answer:
Secondary sources are more useful than a primary source only when you are reporting, analyzing, discussing or interpreting a primary source.
The answer is #1, a response to a stimulus that sends an electric impulse
Don’t know the answer to the first one but the last one should be histones
