Moderate

A group of immune cells that mediates the cellular immune response by processing and presenting antigens for recognition of certain other cells or immune systems is called _.

Correct answer: C. Antigen-presenting cells

  • A. Natural killer cells
  • B. Interferons
  • C. Antigen-presenting cells
  • D. Vaccines

Explanation

Antigen-presenting cells (APCs) phagocytose antigens and present those antigens on the surface of themselves so that they can be recognized by other cells of the immune system to generate an immune response.

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About Circulation

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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