a) The lungs are placed in ________ cavity. b) Antigens are found on___________where as antibodies are found in______________. PLEASE DON'T WRITE SILLY ANSWERS ITS URGENT
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The lungs are housed in the chest cavity, a space that also includes the mediastinum.
Antibodies are produced by white blood cells and used by the immune system to identify and attack foreign substances in the body. Blood group antigens are found on the surface of red blood cells and are ignored by the immune system. But antigens of another blood type will be seen as foreign, and attacked by antibodies.
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