Question

Which element makes up the greatest percentage of the human body?

Answer 1

The Top Four Elements Found in the Human Body
Of the elements found in the human body, four of them make up the largest percentage of our body weight (96.2%). The four elements are oxygen, hydrogen, carbon, nitrogen. Before you start thinking we should float away with all the oxygen, hydrogen, and nitrogen atoms, remember that the oxygen molecules are mainly part of the water in our body (H2O). In fact, over half of the human body is made up of water (50-70%).

Answer 2

The greatest percentage of elements that makes up the human body are Hydrogen, Oxygen, Carbon and Nitrogen.

What is an element?

• "Element is a substance that cannot be decomposed into simpler substances by ordinary chemical processes."
• It is the fundamental particles which compose matter.

As we that the human body is made up of almost 90% of water. Water is made up of H2O and proteins are building blocks of our body. Protein are made up of amino acids whose basic structure is NH3 (amino group), carboxyl group (COOH) and a R group. Fats, proteins, DNA, sugar also contains carbon elements.

Hence, the most abundant element in human body is: H, O, N and C.

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