title: Which came first, the head or the brain?
authors: mejia@nasw.org
authors: Robin
authors: R
authors: Mejia
mesh_terms: D000818:Animals; D019521:Body Patterning / Q000502:physiology*; D003063:Cnidaria / Q000033:anatomy & histology* / Q000378:metabolism*; D006257:Head / Q000033:anatomy & histology*