The combining form ventricul/o- means "________; ventricle."
A) conduction system
B) fluid-filled sac
C) chamber that is open at the top
D) chamber that is filled
D
Explanation: A) There are no medical word parts that mean conduction system.
B) Ventricul/o- does not mean this.
C) This is the meaning of atri/o-.
D) Correct!
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Answer the following statement true (T) or false (F)