The heart and the small intestine are paired organs. The heart is considered Yin, and the small intestine is considered Yang, balancing this paired channel. These two organs correspond to Fire in the Five Phases, the southerly direction, the summer season, the climactic condition of heat, the color red, the emotion of happiness, the sound of laughter, the taste bitterness, the odor of burning. Their point of entry is the tongue. They control the blood vessels and are reflected in the face. Click to learn how Chinese medicine treats Rheumatic Arthritis.
The major function of the small intestine is to separate waste material from the nutritious elements in food. The nutritious elements are then distributed throughout the body and the waste is sent on to the large intestine.
The small and large intestines are located in the Lower Dan Tian. In order to store the original Qi converted from original essence, the abdomen must be healthy and the Qi circulation in the area of the intestines must be smooth and natural. The best way to reach this goal is through abdominal breathing exercises. One such exercise is to lead the Original Qi upward following the heart and small intestine Qi channels to cool down the Heart Fire.