2 doubts

nagaraman

 

Tutor,
 

1) 3.1. Explaining the tissues and structure of the human body 

To compare the heart and lung, the heart is Yang and the lung is Yin.

The heart is surrounded by lungs. So the lung should be Yang and heart should be Yin. But the statement is different. Kindly explain in what aspect the heart is stated as Yang and lung as Yin.

2)  3.2. Explaining the physiological activities

It is known as "Yin is even and well while Yang is firm, hence a relative equilibrium is maintained, and the essence and spirit will be in normal state.

What is mean by Yin is even and well and Yang is firm?
 

Thanks