The animal kingdom is divided into five main clades, particularly Porifera, Ctenophora, Placozoa, Cnidaria and Bilateria. Most living animal species belong into the clade Bilateria, a highly proliferative clade whose members Use a bilaterally symmetric and noticeably cephalised system plan, and

SMART Vocabulary: linked text and phrases Healthcare & surgical tools AED arthroscope aspirator autoclave balloon catheter bioengineer eye chart eyedropper experience mask FDG fibrescope forceps retractor basic safety blanket sonograph sonographic House blanket spatula tummy pump stretcher See m