★ Circulatory / Respiratory Quiz
Which structure prevents the backflow of blood from the ventricles to the atria?
A. AV valves
B. septum
C. sinoatrial node
D. atrioventricular node
E. superior vena cava
Select your answer:
Topics:
Muscle Origin, Insertion, and Function EM Spectrum Diseases ESR (RBC sed rate) Cell & Bond Careers in Health Care Bone Development and Remodeling CABG Surgery Neuron Structure Neurological Disorders Serology/Blood Typing Excretory System Unintentional Injuries Macromolecules & Nutrients STNA (State Tested Nursing Assistant)Other quiz:
The Nervous System and The Senses › View
Which color is the BRAIN STEM?
A. PINK
B. PURPLE
C. YELLOW
Immunology › View
Which part of the eye can be recovered and transplanted?
A. Iris (the color part)
B. Lens
C. Cornea
D. Blood vessels