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Carbon, oxygen, hydrogen, nitrogen and traces of iron.

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What elements are the most abundant in the human body?

Oxygen, carbon, nitrogen, and hhydrogen


What are the two most abundant elements in the human body?

The two most abundant elements in the human body are oxygen and carbon. Oxygen makes up about 65% of the body's mass, while carbon makes up about 18%.


Why are oxygen and hydrogen the most abundant elements in the human body?

Oxygen and hydrogen are the most abundant elements in the human body because they are key components of water, which makes up about 60% of the human body. Oxygen is also essential for cellular respiration, while hydrogen plays a role in various biological processes.


How many elements are in the human body?

The human body is composed of approximately 60 different chemical elements, with the most abundant being oxygen, carbon, hydrogen, and nitrogen. However, all known stable and radioactive elements have been detected in trace amounts in the human body.


The most abundant elements in the body are what?

The most abundant elements in the human body are carbon, hydrogen, oxygen, nitrogen, phosphorous, sulfur, calcium, sodium, potassium, chlorine (don't forget, table salt is sodium chloride!) and iron. There are many others that are present in smaller quantities including copper, zinc, iodine, etc.


The most abundant chemical substance in the human body?

The most abundant chemical substance in the human body is water. There are a lot of H2O molecules throughout the human body.


Which is our most abundant elements in the body?

In number of atoms (element) hydrogen is the most abundant, not in mass.


What is the most abundant structure in the human body?

Blood vessels are the most abundant structures


What is the most abundant atom in the human body?

The most important cations in the human body are sodium, potassium, magnesium, and calcium ions


What is the most abundant protein in human body?

collagen (:


Which element is one of the most abundant elements found in the human body and earths crust and the earths atmosphere and in the ocean?

By mass Oxygen


What is the second most abundant substance in the human body?

The second most abundant substance in the human body is proteins. Proteins are essential for various functions in the body, including building and repairing tissues, supporting the immune system, and serving as enzymes and hormones.