Question

choose the best idea to add to a summary of \brains in command.\ many animals, including humans, have brains that work when they are sleeping. for most animals, including humans, the brain is very important because it tells the body what to do.

Explanation:

To summarize "Brains in Command", the key idea should relate to the brain's role in directing the body. The second option focuses on the brain's importance in directing the body, which is central to a summary about "Brains in Command". The first option about brains working during sleep is a more specific detail, not the main idea.

Answer:

The second option: For most animals, including humans, the brain is very important because it tells the body what to do.