<Li> Carbohydrates such as glycogen and glucose </Li> <Li> Dissolved inorganic ions such as sodium, potassium, chloride, bicarbonate, phosphate </Li> <Li> Gases such as oxygen, carbon dioxide, nitrogen oxide, hydrogen, carbon monoxide, methanethiol . These may be dissolved or present in the gases in the lungs or intestines . Ethane and pentane are produced by oxygen free radicals . </Li> <Li> Many other small molecules, such as amino acids, fatty acids, nucleobases, nucleosides, nucleotides, vitamins, cofactors . </Li>

What does the human body have 31 sets of