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
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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:
A) lobe of thyroid gland. B) sternocleidomastoid. C) sternohyoid. D) longus colli. E) internal jugular vein.
A/an ____________ is a hollow tube that is inserted into a body cavity to inject or remove fluid
Fill in the blank(s) with correct word
An element with 11 neutrons, 11 protons, and 11 electrons would have a mass number of ________.
11 33 22 21
The affinity of hemoglobin for O2 is decreased in rapidly metabolizing tissues
Indicate whether the statement is true or false.