The shark possesses behind each eye an accessory respiratory organ called a spiracle.
The nose has another sensory structure, called the vomeronasal organ, which is specialized for detecting pheromones.
On the whole, other organs only call attention to themselves when they fail.
Andalites also possess an organ in the back of their head called the Tria gland.
Where this plan would fail utterly is with the overwhelmingly intricate, constantly changing organ called the brain.
Why people have type 1 diabetes is because an organ in their body called the pancreas, does not work correctly.
The Baroque organ, called the Schölerorgel from 1763 is under monumental protection; its last major overhaul was in 1969-1970.
They use a special organ called a branchiostegal lung to breathe.
They have, instead, highly specialized organs called "eyes" for exploiting "light" rays.
One of the main changes is in an organ called the thymus, behind the sternum or breast bone in the chest.