Select your answer:
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Thyroid Gland Physical fitness , Wellness and Lifestyle Immunology and Serology Digestive and Circulatory System Schizophrenia Balanced Diet Compact Bone Bacteria and Viruses Polio Organ Systems The Cell Cycle Heredity and Living Cells Autoimmune Disease Dentistry NeuroanatomyOther quiz:
Heart › ViewThe amount of tension in the ventricular myocardium immediately before it contracts is called _________.
A. contractility
B. afterload
C. preload
D. cardiac reserve
E. None of the choices is correct.
Eye Physiology › View
How many types of cones do you have?
A. 2
B. 3
C. 4
D. 5