Protecting the body from disease is the primary function of this type of protein: Select one: a. insulin b. antibody c. enzyme d. collagen

The correct answer is b. antibody.<br /><br />Antibodies are a type of protein that play a crucial role in the immune system. They are produced by the body's immune cells in response to the presence of foreign substances, such as bacteria, viruses, or other pathogens. Antibodies recognize and bind to specific molecules on the surface of these foreign substances, marking them for destruction by other immune cells.<br /><br />By binding to these foreign substances, antibodies help to neutralize them and prevent them from causing harm to the body. This process is known as neutralization. Additionally, antibodies can also activate other immune responses, such as the release of inflammatory chemicals, to help eliminate the invading pathogens.<br /><br />In contrast, insulin is a hormone that regulates blood sugar levels, enzymes are proteins that catalyze chemical reactions, and collagen is a structural protein that provides strength and support to tissues. While these proteins have important functions in the body, they do not play a primary role in protecting the body from disease.