Examlex
Which of the following is NOT an area thickly covered with loess?
Progenitor
An ancestor or parent in a direct line of descent, often used to describe the earliest originator or precursor of a particular lineage or group.
Plasma Cell
A type of white blood cell that produces and secretes large volumes of antibodies, playing a critical role in the immune response.
Antigen Presenting Cells
Immune cells that process and present antigens to T-cells, initiating an immune response.
B Cell
A type of white blood cell that plays a significant role in the body's immune response by producing antibodies to fight off pathogens.
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