A. A federal tax identification number (also known as an employer identification number or EIN), is a number assigned solely to your business by the IRS. Your tax ID number is used to identify your business to several federal agencies responsible for the regulation of business.
Collagen is a protein present in all the bodyâs organs and tissues. It provides the matrix that sustains the bodyâs structure. Collagenâs main function is to sustain tendons, skin and cartilage. It provides integrity, firmness and elasticity to their structures.
Below is an illustration of collagen's molecular structure: Bottom Line: Collagen is a protein that provides structure to much of your body, including bones, skin, tendons and ligaments. What Does It Do in Your Body?