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About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.
Humans obtain energy from three classes of fuel molecules: carbohydrates, lipids, and proteins. The potential chemical energy of these molecules is transformed into other forms, such as...
16 Αυγ 2024 · Chemical energy is a form of potential energy found within chemical bonds, atoms, and subatomic particles. Chemical energy can be observed and measured only when a chemical reaction occurs. Any matter considered to be a fuel contains chemical energy. Energy can be released or absorbed.
5 Μαΐ 2024 · An atomic detonation or power from a nuclear plant are also examples of this type of energy. Chemical Energy. Chemical energy results from chemical reactions between atoms or molecules. There are different types of chemical energy, such as electrochemical energy and chemiluminescence.
20 Μαΐ 2015 · Nearly 99% of the mass of your human body consists of just 6 chemical elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Another 5 elements make up most of the last percentage point: potassium, sulfur, sodium, chlorine, and magnesium.
4 Σεπ 2024 · Breaking bonds with carbon is an energy source. Hydrogen (H) - 9.5% - Hydrogen is found in water and all organic molecules. Nitrogen (N) - 3.2% - Nitrogen is found in proteins and nucleic acids that make up the genetic code. Calcium (Ca) - 1.5% - Calcium is the most abundant mineral in the body.
16 Απρ 2009 · Roughly 96 percent of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen and nitrogen, with a lot of that in the form of water. The remaining 4...