Parts of the Body: The parts of the body associated with this chakra include the muscular system, the skin as a system, the solar plexus, the large intestine, stomach, liver, and other organs and glands in the region of the solar plexus. Also the eyes, as the organs of sight, and the face, representing figuratively the face one shows the world.
Endocrine Gland: The pancreas
Sense: Eyesight
Consciousness: Parts of the consciousness associated with this chakra include perceptions concerned with power, control, freedom, the ease with which one is able to be themselves - ease of being. Mental activity and the mental body is also associated with this chakra. The solar plexus chakra is also associated with the level of being we call the personality, or ego.
The relationship a person has with fire, or the sun, can be seen to have its parallels in the person's relationship with the parts of their consciousness that this chakra represents. Someone sensitive about the sun, then, can be seen to have particular sensitivities about power, or control, or freedom.