The immune system is a group of cells, tissues and organs that function to recognize and destroy pathogenic bacteria and viruses. It is the body's main defense against foreign antigens and works to keep humans healthy ev... More »

The immune system works with both the lymphatic and circulatory systems. Both of these systems help transport pathogens to immune organs so the immune system can eradicate them. The immune system also works with the inte... More »

The function of the immune system is to prevent, detect and stop infection within the organism. The immune system has innate immune cells for rapid response in a generic capacity and adaptive immune cells that attack spe... More »

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A group of tissues that work together to perform one basic function are called organs. When groups of organs work together to perform the same function, they are referred to as an organ system. More »

An organ is defined as a group of tissues that work together to perform a specific function. Examples of an organ include the stomach, brain and liver. More »

The job of the immune system is to defend the body against infectious organisms and other intruders. This occurs primarily through the actions of white blood cells. Phagocytes destroy non-native cells and organisms, whil... More »

The immune system works with both the lymphatic and circulatory systems. Both of these systems help transport pathogens to immune organs so the immune system can eradicate them. The immune system also works with the inte... More »