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!
1 Antibodies-Antibodies are used to defend the body against foreign agents e.g. bacteria, fungi and viruses. 2  The next page investigates these. 3  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.
Protein serves both structural and functional roles in the human body. Different types of protein are involved in building up the structure of the human body eg. Actin and myoâ¦sin ( two proteins ) make muscle cells, keratin makes hair, etc. Proteins serve structural roles by being a component of the cells.