febuary-discoveriesHBL

February Discoveries February 20, 2015
 * How is nitrogen used in the human body? How is it important?**

In the body, nitrogen is used and is important for the amino acids. The amino acids are used to build proteins that build the building blocks of many biological tissues.Your body needs nitrogen to make proteins in your muscles, blood, skin, nails, hair and DNA. To get nitrogen in your body not by only breathing it in you could eat foods such as meat, fish, legumes, nuts, eggs, milk and other dairy products.

http://www.livestrong.com/article/500133-why-does-our-body-need-nitrogen/ February 20, 2015

**Nitrogen-**
The basic information on nitrogen atom is that on the periodic table its symbol is (N), Its atomic number is 7, its atomic mass is 14, the melting point is -209.9 degrees celcius, its boiling point is -195.8 degrees celcius, its has 7 protons, electrons, and nuetrons, it is classified as a non-metal, its crystal structure is hexagonal and it is color-less. Nitrogen was discovered in 1772 by Daniel Rutherford when a candle would not burn carbon dioxide. The study was turned to Daniel who later discovered nitrogen!

http://www.chemicalelements.com/elements/n.html http://acd.ucar.edu/textbook/ch1/box3/Rutherford.html