Lymphocytes. Pathogens contain certain chemicals that are foreign to the body and are called antigens. Each lymphocyte carries a specific type of antibody-a protein that has a chemical 'fit' to a certain antigen.
Carpet vs. Laminate Flooring. When looking at flooring options, carpets and laminate floors are popular choices. Their cost is usually comparable and is cheaper than solid hardwood flooring. Roughly half of new flooring sold in America every year is carpet. Laminate flooring is considered more hygienic and hypoallergenic than carpet, as it is easily cleaned, and dirt won't go unnoticed.
Carpet is one of the softest flooring materials available, providing a cushioned surface for your feet in almost any location. It's important to know the characteristics of the different types of carpeting available, to ensure you get a style that's appropriate for your space. Carpet is made with a variety of synthetic and natural fibers, but the four most common materials are nylon, polyester, polypropylene, and wool.