Animal cells do not have cell walls, but rather flexible cell membranes. Other living creatures generally do have rigid cell walls (sometimes with a flexible m

Animal cells do not have cell walls, but rather flexible cell membranes. Other living creatures generally do have rigid cell walls (sometimes with a flexible membrane inside the wall, I believe). https://www.khanacademy.org/science/high-school-biology/hs-cells/hs-plant-vs-animal-cells/a/hs-plant-vs-animal-cells-review https://www.khanacademy.org/science/high-school-biology/hs-c... "Animal cells simply have a cell membrane, but no cell wall." A web search will turn up many other citations for this.