血

Blood, mainiy composed of the nutrient qi and body fluid, circulates inside the vessels. It is red in color and sticky in texture.Blood functions to nourish and moisten the body. It is vital to the maintenance of life.The production of bloodThe basic substance for producing blood is essence, includi

Essence, qi, blood and body fluids are the basic material to form and sustain life activities of the human body. The metabolism including generation, distribution and discharge depends on viscera and meridians. Qi has the function of promotion and warming, while essence, blood, and body fluid have t