A tear

A tear is a clear liquid that is released from our eyes during emotions - joy, sadness, grief, etc. It occurs as a result of contraction of the tear glands, which are located in the area above the eye, near the nose and mouth.

Tears are an important physiological element of our life. They help cleanse the eyes of dust, dirt and germs, and also moisturize and lubricate the surface of the eyeball, which facilitates its movement and improves vision. Tears also play an important role during social interaction, serving as an indicator of emotions and relationships between people. Feeling empathy for others, showing