★ 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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CNA Introduction Bacterial Protein Synthesis Inhbitors Nervous System Surgical Nutrition Vision Human Organ System Bacteria, Viruses, and Fungi Patient-Centered Endocrinology Organization of Systems Effects of Exercise on the Musculoskeletal System Cells & Body Systems Med Term Musculoskeletal The Nervous System Liveability ImmunisationOther quiz:
Immunology › ViewNonspecific host defenses that exist prior to exposure to an antigen is called acquired immunity
A. TRUE
B. FALSE
Cells, Genetics & Heredity Review › View
Which characteristic is the best example of an inherited trait?
A. short hair
B. eye color
C. pierced ears
D. long fingernails