The Kidney
The kidney is situated at the lumbar region. The connecting fu organ of the kidney is the urinary bladder. The functions of the kidney are :

1. The qi of the kidney consists of congenital qi and acquired qi and it is the essence called the life force of the body which influences the production, growth and development of the human body. It stores the congenital qi of the 5 viscera.

2. The kidney stores essence which can produce marrow including the spinal cord and bone marrow. The spinal cord connects to the brain, while the bone marrow nourishes the bone and manufactures blood.

3. The colour black is related to the kidney.

4. Fear will affect the kidney.
The Kidney (cont)
5. When air is inhaled by the lung, its distribution to the whole body depends o the kidney's energy of reception and control. If the kidney's energy or life force is weak, breathlessness will occur.

6. The kidney opens into the ear and hearing depends on the qi of the kidney. The qi of the kidney also controls the growth of hair on the head.

7. The kidney divides the body fluid, sent down by the lung's descending function, into clear fluid which is retained in the body and turbid fluid which flow into the urinary bladder and excreted as urine.

8. The taste is salty.
The Pericardium
The pericardium is the outer covering of the heart, and it protects the heart. Its connecting fu meridian is the Sanjiao. The functions of the pericardium are similar to the heart.
The Small Intestine
The small intestine is situated in the abdomen. Its main function is to further digest the food from the partially digested food in the stomach and absorb the essential substances and water of food and send the residues together with water to the large intestine. Its zang organ is the heart.

The Gall Bladder
The gall bladder is attached to the liver. Its main function is to store bile and help in digestion. The zang organ of the gal bladder is the liver.

The Stomach
The stomach is situated at the epigastrium. Its main function is to receive food, partially digest them and temporarily store them before sending them down to the small intestine. The qi of the stomach is a downward process. Its zang organ is the spleen.

The Large Intestine
The large intestine is situated in the abdomen. Its main function is to transport waste substances from the small intestine to the anus to be excreted as feces. In the process of transporting the waste substances, the large intestine also absorbs a part of its fluid content. Its zang organ is the lung.

The Urinary Bladder
The urinary bladder is situated in the lower abdomen. Its main function is to store urine and discharge it when it has reached a certain amount. The zang organ of the urinary bladder is the kidney.

The Sanjiao
The sanjiao is not an organ. It is divided into 3 parts, hence its name, the upper, the middle and the lower portions. The upper portion represents the chest. Its function is to transport the qi and blood to the various organs. The middle portion is the epigastrium and umbilical regions. Its main function is to digest and absorb essential substances. The lower portion is the hypogastrium. Its main function is to excrete waste substances. The zang organ of the sanjiao is the pericardium.