Term: digestive system: the system that makes food absorbable into the body
Broader: part: a portion of a natural object | Unrelated: quadric: a curve or surface whose equation (in Cartesian coordinates) is of the second degree
Broader: part: a portion of a natural object | Unrelated: horse: solid-hoofed herbivorous quadruped domesticated since prehistoric times
Broader: part: a portion of a natural object | Unrelated: ceilidh: an informal social gathering at which there is Scottish or Irish folk music and singing and folk dancing and story telling
Broader: part: a portion of a natural object | Unrelated: whist drive: a progressive whist party
Broader: part: a portion of a natural object | Unrelated: gamete: a mature sexual reproductive cell having a single set of unpaired chromosomes
Broader: part: a portion of a natural object | Unrelated: reviewer: someone who reads manuscripts and judges their suitability for publication
Broader: part: a portion of a natural object | Unrelated: secretary of commerce: the person who holds the secretaryship of the Department of Commerce
Broader: part: a portion of a natural object | Unrelated: highboy: a tall chest of drawers divided into two sections and supported on four legs
Broader: part: a portion of a natural object | Unrelated: revolutions per minute: rate of revolution of a motor
Broader: part: a portion of a natural object | Unrelated: protactinium: a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead