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Elements in human body

Out of 118 elements 29 are found in our body. 99% mass of the human body is made up of just six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. But there are a number of elements found in our body which play vital role.


No.

Name of Element

Where it is Found in our body

1.

Oxygen (65%)

Predominantly found in the form of water in our body

2.

Carbon (18%)

Every cell is made up of it

3.

Hydrogen (10%)

Predominantly found in the form of water in our body

4.

Nitrogen (3%)

Found in Muscles and DNA

5.

Calcium (1.5%)

Found in Bones

6.

Phosphorus (1.0%)

Found in Bones and in energy generator cells

7.

Potassium (0.35%)

Vital for electrical signalling in nerves

8.

Sulphur (0.25%)

Found in two amino acids that are important for giving proteins their shape

9.

Sodium (0.15%)

Vital for electrical signalling in nerves. It also regulates the amount of water in the body.

10.

Magnesium (0.05%)

Found in Skeleton and muscles. It is also necessary in more than 300 essential metabolic reactions.

11.

Iron (0.70%)

Found in Blood and gives red colour to it.

12.

Chlorine (0.15%)

It is important for maintaining normal balance of fluids

13.

Copper (0.0001%)

Without enough copper, iron won't work properly in the body

14.

Iodine (0.000016%)

It is required for making of thyroid hormones which is responsible for brain and body growth

15.

Fluorine (0.0037%)

Found in teeth and bones

16.

Selenium (0.000019%)

It is essential for certain enzymes, including several anti-oxidants.

17.

Zinc (0.0032%)

Several proteins contain structures called "zinc fingers" which help to regulate genes. Zinc deficiency has been known to lead to dwarfism. 

18.

Chromium 

(0.0000024%)

It helps regulate sugar levels by interacting with insulin

19.

Manganese 

(0.000017%),

It is essential for certain enzymes in particular the ones that protect mitochondria (the power house of cell) from dangerous oxidants. 

20.

Molybdenum 

(0.000013%)

It is important for transforming sulphur into a usable form.

21.

Cobalt, Lithium, Strontium, Aluminium, Silicon, Lead, Vanadium, Arsenic, Bromine (trace amounts)

Roles not known

 

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