The function of  Three organs
- Stomach, spleen, and lung

Beverages enter stomach
Overflowing essence qi
is transported upward to the spleen.

The spleen qi spreads the essence.
with turns upward to the lung.

[ The latter] frees and regulates the passageways of the water,
it transports [ the water] downward to the urinary bladder.

The essence of water is spread to the four [directions],
it moves through all the five conduits simultaneously.

Added the Kidney

Water [ consumed as ] beverage flows downward [ in the body ] and reaches the triple burner. [There] the water is transformed to finest essence which rises and turns into clouds and fog.
Clouds and fog disperse and flow into the spleen....

[ The qi of ] water and solar transformed together. They rise to nourish the metal of the lung. The metal qi penetrates to the kidneys. Hence [ the text states;] it regulates the waterways. It turns around and flows into the lower burner. The urinary bladder stimulates transformations, which leads to urination.