C201 Feeling yang qi

"A human's life is made up of yin and yang energy. The yang energy forms the yin, so the yang energy is intangible. The yin energy, on the other hand, is tangible. Yin is the person's body, bones, flesh, blood, skin, as an analogy, this is like a person dying, but the organs of the body are still there, but all signs of life have disappeared, and in this situation, the yang energy is gone