Labels for the parts of the brain should be added to the image to support the claim "Every section of the brain has a unique function".
These labels should be added in order to make the presentation or article more effective. Adding the names of the parts of the brain to the picture will allow the readers to be more oriented but it will also make the ideas presented easier to understand. In other words, it will be easier for the readers to follow the reading and to understand the function that each part of the brain has if they know where the different sections are located.