What atoms are humans made of
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What Atoms Are Humans Made Of
Introduction to Atoms in Human Composition
Humans, like all matter, are composed of atoms. The concept of atoms dates back to ancient Greek philosophers who postulated that everything is made up of indivisible units called atoms. This idea was further developed and solidified through scientific advancements over the centuries 12.
Fundamental Atoms in Human Cells
Human bodies are made up of approximately 75 trillion cells, each containing a variety of molecules. These molecules, in turn, are composed of a handful of fundamental atoms. The primary atoms that make up the human body include hydrogen, carbon, nitrogen, oxygen, phosphorus, and sulfur . These atoms combine in various ways to form the complex molecules necessary for life, such as lipids, proteins, nucleic acids, and metabolites .
Historical Development of Atomic Theory
The understanding of atoms has evolved significantly over time. Early philosophers speculated about the existence of fundamental building blocks of matter, but it wasn't until John Dalton's atomic theory in the 19th century that a scientific basis for atoms was established . Further advancements in the 19th and 20th centuries, including Albert Einstein's interpretation of Brownian motion, provided concrete evidence for the existence of atoms .
Atoms and Subatomic Particles
Atoms themselves are composed of smaller subatomic particles: protons, neutrons, and electrons. These particles were discovered through various experiments and have been crucial in understanding the behavior and interaction of atoms . The arrangement and number of these subatomic particles determine the type of atom and its properties.
Conclusion
In summary, humans are made up of a variety of atoms, primarily hydrogen, carbon, nitrogen, oxygen, phosphorus, and sulfur. These atoms form the molecules that make up our cells and enable the complex biochemical processes necessary for life. The understanding of atoms has a rich history, evolving from ancient philosophical ideas to modern scientific theories supported by experimental evidence 124.
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