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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