Examlex
Rearrange the polynomial in decreasing order; state the degree of the polynomial.
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as bacteria, viruses, and cancer cells.
Red Blood Cells
Blood cells responsible for carrying oxygen from the lungs to the body and carbon dioxide from the body to the lungs.
Antibodies
Proteins produced by the immune system to identify and neutralize foreign objects such as bacteria and viruses.
Antigens
Substances that the immune system recognizes as foreign and against which it mounts an immune response.
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