★ 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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Hematology › ViewA derivative of hemoglobin in which the ferrous iron is oxidized to the ferric state
A. Oxyhemoglobin
B. Sulfhemoglobin
C. Hemiglobin
D. Hemoglobincyanide
Excretory System › View
Under normal conditions, which of the following substances is found in urine?
A. blood cells
B. protein
C. glucose
D. urea