They are over 7x warmer than regular cotton socks and 3x warmer than ordinary thermal socks. They are better than heated, electric or battery operated socks because you can just put them on without fussing with batteries, wires etc. Heat HoldersÂ® means No more cold feet!
These protein types serve as essential components to your body's construction. Keratin and collagen are the most common structural proteins. These are strong, fibrous proteins. Keratin forms the structure of your skin, nails, hair and teeth. While, collagen serves as a connective structure for your tendons, bones, muscles, cartilage and skin in particular.
1 3. 2  Antibodies-Antibodies are used to defend the body against foreign agents e.g. bacteria, fungi and viruses. 3  The next page investigates these. 4  4. Structural Protein-Globular proteins form part of the cell membrane, which has a structural role as well as a role in transporting ions in and out the cell.