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.

The stomach; the belly; often used in the context of being hungry or getting hungry

the sparrow may be small, but all its vital organs are there; small but complete in every detail