Which of the Following Would Be the Most Complete Definition

question 46

Multiple Choice

Which of the following would be the most complete definition of "science" as a source of knowledge

• A)It is the systematic observation of phenomena.
• B)It is the systematic and objective study of the world.
• C)It is a method of obtaining objective knowledge about the world through systematic observation.
• D)It is a method of obtaining objective knowledge of the world through the direct experience of it.

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Definitions:

White Blood Cells

Cells of the immune system that defend the body against both infectious disease and foreign materials.

Macrophages

Macrophages are a type of white blood cell part of the immune system that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.

Natural Killer Cells

A type of lymphocyte (white blood cell) that plays a crucial role in the body's innate immune response by attacking cells infected with viruses or transformed by cancer.

Memory Cells

Immune cells that are formed following an initial immune response and remain in the body, ready to mount a faster and more effective response upon re-exposure to the same antigen.