MIND. Your thinking mind, which is both conscious and unconscious, that is responsible for your beliefs, thoughts, and actions.
BODY.  Your body is the physical aspect of yourself that carries you through life and allows you to experience the world through your five senses.
SOUL. Your spirit or soul is that intrinsic part of you that you might refer to as your essence or state of well being. To nourish your spirit, you can honor your faith and or spend time in nature, yoga, art, music, prayer or even meditating.