If you do have room for a small table (even if one side is up against a wall), there's not necessarily a need to have all the seating siting around it at once all the time, taking up needed space.
A hollow cell in the excretory system of certain invertebrates, including flatworms and rotifers, containing a tuft of rapidly beating cilia that serve to propel waste products into excretory tubules.lame cell. n. 1. (Zoology) an organ of excretion in flatworms: a hollow cup-shaped cell containing a bunch of cilia, whose movement draws in waste products and wafts them to the outside through a connecting tubule.
The nephridium (plural nephridia) is an invertebrate organ which occurs in pairs and performs a function similar to the vertebrate kidney.Nephridia remove metabolic wastes from an animal's body. protonephridium (proto = first) is a network of dead-end tubules lacking internal openings found in the phyla Platyhelminthes, Nemertea and Rotifera. The ends are called flame cells (if ciliated) or solenocytes (if flagellated); they function in osmoregulation and ionoregulation, respectively.