Autoimmune diseases act as the principle of:
Correct answer: C. Self against self
- A. Self against antigens
- B. Antigen against self
- C. Self against self
- D. Antigen self destroyed
Explanation
Autoimmune disease occurs when a specific adaptive immune response is mounted against self antigens(hence self mounts against self). The normal consequence of an adaptive immune response against a foreign antigen is the clearance of the antigen from the body.
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The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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