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What percentage of the hazardous waste produced in the U.S.is regulated by the Resource Conservation and Recovery Act?
T Cells
A type of white blood cell that plays a central role in the immune response by attacking infected or cancerous cells.
Antigen-presenting Cells
Specialized cells that process and present antigens to T-cells, initiating an immune response.
Cold Viruses
Viruses responsible for the common cold, primarily rhinoviruses, which infect the respiratory tract and trigger symptoms like coughing and sneezing.
Thymus Gland
An endocrine gland that functions as part of the lymphatic system; processes T cells; important in cell-mediated immunity.
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