4^th Chakra - Heart Chakra - Love and Harmony rule this Chakra.  The greatest need of this Chakra is to feel protected, to love and be loved.  When in harmony, a person experiences a love for self leading to a love for all.  This Energy Center represents the qualities of air in the personality - airiness, mobility, gentleness, and lightness.  It relates to relationships.

It governs the heart, blood and circulatory system, and the physical sensation of touch; it has a strong influence on the endocrine and immune system.  This is the Chakra where you fall in love.  It deals with issues of the soul. 

A lotus flower with 12 petals - golden in color.  The color of this Chakra is GREEN; it resonates to the note of F.  The Mantra  is Yam.  Aroma is rose.  The image in nature to focus on is untouched nature, blossoms, or a pink sky.