(Hypokalemia) Low Potassium (Hypokalemia) Overview. Potassium is a mineral (electrolyte) in the body. Almost 98% of potassium is found inside the cells. Small changes in the level of potassium that is present outside the cells can have severe effects on the heart, nerves, and muscles.
Triangle eye tattoo: This is the most symbolic of all the triangle tattoos especially with regards to religion. The tattoo is usually made up of a triangle and the All Seeing Eye which is also known as the Eye of God or Eye of Providence.
The Iris and Pupil. The pupil is the black hole in the center of the colored iris. It contracts when exposed to bright light and expands in darkness to allow more light into the eye. The iris is the colored part of the eye. This coloring is due to pigment cells in the tissue. People with blue eyes have less pigment in their iris than those who have brown eyes. The iris contains the sphincter pupillae, the muscle used to narrow the pupil, and the dilator pupillae, the muscle used to widen it.