Flesh

From LSWiki

  Phase: Solid
   Typical Color: Red
   Rarity: Very Common
   Properties: Conductive, Flexible, Organic, Slippery, and Soft
   No specific help is available for this material.
   Development Information: The fleshy material was created by Lost Souls;
the source code was last updated Tue Mar 15 02:18:30 2016.

Most beings are made out of this.