How are epithelial tissues classified?

A) Epithelium is classified as either loose or dense.
B) Epithelium is classified by the number of cell layers and the shape of the cells.
C) Epithelium is classified by the presence or absence of ECM.
D) Epithelium is classified as either voluntary or involuntary.


Answer: B

Anatomy & Physiology

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Indicate whether the statement is true or false.

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In the following transverse CT scan through the neck, which is at a more inferior level than the scan shown in the previous question, the arrow points to the:

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An element with 11 neutrons, 11 protons, and 11 electrons would have a mass number of ________.

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Anatomy & Physiology