Respiratory System

Question 1 - Single Best Answer

Identify the structure surrounding the arrow:

A) adipocyte

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An adipocyte is a single cell which is contained within a single plasma membrane. The non-staining region in the center of an adipocyte was an intracellular lipid vacuole. However, the alveolus is composed of many different cells. The non-staining center of the alveolus was an air space.

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