Major component of both inorganic and organic molecules; essential to the oxidation of glucose and other food fuels.
Primary element of all organic molecules, including carbohydrates, lipids, proteins, and nucleic acids.
A component of most organic molecules; in ionic form, influences the pH of body fluids.
A component of proteins and nucleic acids (genetic material)
Found as a salt in bones and teeth; in ionic form, required for muscle contraction, neural transmission, and blood clotting
Present as a salt, in combination with calcium, in bones and teeth; also present in nucleic acids and many protein; forms part of the high-energy compound ATP.
In its ionic form, the major intracellular cation; necessary for the conduction of nerve impulses and for muscle contraction
In ionic form, a major extracellular anion.
Present in bone; also an important cofactor for enzyme activity in a number of metabolic reactions.
Needed to make functional thyroid hormones.
A component of the functional hemoglobin molecule (which transports oxygen within red blood cells) and some enzymes.