Every living eukaryote organism is or has been a single cell. New cells are made by division of existing cells, which involves the division of both nucleus and cytoplasm.
Erector Spinae Muscle
* SCIENCE DOWNLOAD ~ HUMAN ANATOMY COLORING BOOK * 32 diagrams to color and label! Download Club members can download @ http://www.christianhomeschoolhub.spruz.com/science-1st---12th.htm (Under "The Human Body - Unit Studies) More