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.
1 PROS â Hardwood is the real deal; it is gorgeous and, depending on the type of wood, can add considerable value to your home.  Laminate: PROS â Since laminate is made from pressed wood, it is more durable and resists scratches, moisture and wear and tear. Laminate flooring is also easier to clean.