Answer:
Broadest: The anatomy of the human body
Middle: Muscles of the human body
Narrowest: Muscles of the human eye
Explanation:
Broadest is the anatomy of the human body because it can be talking about anything in the human.
Middle is muscles in the human body because it is only talking about the muscles.
Narrowest is the muscles of the human eye because it is talking about the muscles of a specific part of the human.
