Psychology = The virtue & principle of justice/Self-sacrifice/balancing relationship this energy makes you want to express love and appreciation since Libra is ruled by the masculine side of Venus (Throat chakra). This lets you know that your “spirit” is using the masculine side of Venus when you start communicating (Cardinal Air) about balancing and what you love & appreciate. Also, Saturn is exalted here meaning libra energy can make you want to use your ability to relate to form a structure. But on the other hand, over-exhaust yourself in creating boundaries and restrictions which can make you experience “self-doubt”. Furthermore, the kidneys show this quality because They help control the chemical balance of the blood and regulate the body’s level of sodium, potassium, and calcium.
Physiology = The excretory system is a collection of organs with the main function of excretion or the process of disposing waste from the body. Moreover, the excretory system is responsible for the elimination of waste produced by the chemical processes in the body to regulate its metabolism.