sentence: All vertebrates have brains.
sentences_after: Some simple animals, however, like sponges, do not have anything like a brain. Segmented invertebrates have ganglions in each segment, and a ring of nervous tissue around the alimentary canal at the front. This acts to bring sense data from the front into play with the movement of the body.
concept_name: vertebrate
headings: Brain Function
categories: Basic English 850 words