The Organ System That Is Most External Is the ____________________

question 84

Short Answer

The organ system that is most external is the ____________________ system.

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Definitions:

Amphibians

A class of cold-blooded vertebrates that includes frogs, toads, salamanders, and newts, characterized by a life cycle that usually involves a transition from water to land.

Homo Sapiens

Species name of modern humans.

195,000 Years

An estimate of the time period since the emergence of anatomically modern humans.

25,000 Years

An approximate time period which can reference significant dates in geologic, archaeological, or historical contexts.