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Which factor does not affect temperature variation among geographic locations?
Macrophages
A variant of white blood cell that consumes and dismantles cellular rubbish, alien substances, microorganisms, and cancer cells via a mechanism termed phagocytosis.
Red Blood Cells
The cells in the blood which carry oxygen from the lungs to the body's tissues and carbon dioxide back to the lungs.
Macrophages
Immune cells that engulf and digest cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.
Killer T Cells
A type of immune cell that attacks and destroys infected cells and cancer cells.
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