The internal organs of the human body; specifically the five viscera (spleen, lungs, kidneys, liver, heart) and the six bowels (stomach, large intestine, small intestine, triple heater, bladder, gallbladder) in traditional Chinese medicine.
internal makeup
The internal workings or inner circumstances of something.
thoroughly comfortable
(Of a feeling or sound) affecting one's whole being; providing a sense of complete physical and mental relaxation or refreshment