[ Cardiology Services ]
The structure that divides the right & left sides of the heart is known as the____________.
A. septum
B. mediastinum
C. valve

Random Topics:
Demonstrative PronounsPresent PerfectQuantifiers & Modal VerbsNarrative, Past TensesThere is or There areAdverb of MannerWorld Literature VocabularyPresent Simple & Present ContinuousDaily Routines & TensesPast and Future TensesOther quiz:
Grammar › ViewI haven’t had any sleep at all. The baby hasn’t stopped crying _______ night.
A. all
B. every
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You can come with us ________ you promise to behave.
A. lest
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The firefighters finally arrived, they put out the fire.
A. comma splice
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Adjective › View

a.dangerous
b.noisy
c.bad
d.cool
