Select your answer:
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Disease and Immunity Carbohydrates / Fat-soluble Vitamins Immunity & Cancer Transport System World Health Day Genetics and Probability Mitosis Cariology Tracheostomy Care DNA Physical Activity Brain, Neurons and The Nervous System Renal Skeleton and Muscles Blood CellsOther quiz:
Heart Anatomy › ViewWhen the left ventricle contracts, the ____________ valve opens.
A. aortic
B. bicuspid
C. tricuspid
D. pulmonary
Homeostasis, Nutrition, Digestion & Absorption › View
Tube that carries swallowed food to the stomach
A. esophagus
B. liver
C. pancreas
D. rectum