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Who Were the First Americans, and When and How Did

question 65

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Who were the first Americans, and when and how did they arrive in the Western Hemisphere?


Definitions:

Afferent Arteriole

A small artery that leads into a capillary, especially the one leading into the glomeruli of the kidney, where it brings blood for filtration.

Vasa Recta

The capillary networks that surround the tubules in the kidney, playing a crucial role in the concentration of urine.

Osmotic Pressure

The pressure required to prevent the flow of a pure solvent across a semipermeable membrane into a solution, related to the concentration of solutes.

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