1 Cheek cells are a part of simple squamous epithelium,an animal tissue.onion cells are plant cells.
2 onion cells have a cell wall,while cheek cell do not.
3 onion cells contain plastids such as chloroplast.animal cell do not.
4 cheek cells are irregularly shaped,onion cells have a fixed rigid rectangular shape.
5 onion cells lack the organelle centriole while cheek cells have it.