The immune system is the body's defense against infectious organisms and other invaders. ... The immune system is made up of a network of cells, tissues, and organs that work together to protect the body.
Define all key words:
Antigens are a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies
Discuss adaptive immunity:
The adaptive immune system uses specific antigens to strategically mount an immune response.
Discuss T cell's role in immunity and demonstrate the process:
Once formed in the bone marrow, T progenitor cells migrate to the thymus to mature and become T cells.
Discuss B cell's role in immunity and demonstrate the process:
After formation and maturation in the bone marrow the naive B cells move into the lymphatic system to circulate throughout the body...