Topics: Heart Anatomy Quiz
When the left ventricle contracts, the ____________ valve opens.
A. aortic
B. bicuspid
C. tricuspid
D. pulmonary
Select your answer:

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Food and Nutrition › ViewStarch is broken down into smaller molecules called:
A. salts
B. proteins
C. sugars
D. amino acids
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Identify the Cell Cycle Stage.
A. Interphase
B. Anaphase
C. Telophase
D. Prophase