Dorsal: on or relating to the upper side or back of an animal, plant, or organ.
Ventral: on or relating to the underside of an animal or plant; abdominal.
Prone: likely or liable to suffer from, do, or experience something unpleasant or regrettable.
Supine: (of a person) lying face upwards.
Or
failing to act or protest as a result of moral weakness or indolence.
