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about one third of the periodic table, but the most common are:carbonhydrogennitrogenoxygen
carbon, oxygen, nitrogen, and hydrogen
carbon, oxygen, nitrogen, and hydrogen
The 'big four' elements are oxygen, carbon, hydrogen, and nitrogen, which make up the majority of living organisms. The 'little eight' elements are phosphorus, sulfur, calcium, potassium, sodium, chlorine, magnesium, and iron, which are also essential for life but are needed in smaller quantities.
Oxygen and hydrogen
carbon, hydrogen, oxygen....
carbon, hydrogen, oxygen....
carbon, hydrogen, oxygen....
Carbon. the human boddy also contains a very small amount of gold too.
There are many, many elements in the human body, the most common of which is Carbon, as we are carbon based life forms. There is also a lot of oxygen present in the form of oxides, and other elements such as iron in haemoglobin (present in blood) and phosphorus in DNA.
Carbon is the backbone of organic molecules like carbohydrates, lipids, proteins, and nucleic acids in the human body, essential for energy production and structural support. Hydrogen is crucial for maintaining the pH balance in the body, forming water molecules that are essential for various biochemical reactions, and is a component of important compounds like DNA and proteins. Oxygen is necessary for cellular respiration, the process by which cells generate energy. It is also a component of water and plays a key role in various metabolic processes in the human body.
Water is the most common molecular subsance found in the human body(~98%). and phosphorous is the most abundant element in human body.