Into which chamber do the pulmonary veins send blood?
right ventricle
right atrium
left ventricle
left atrium
left atrium
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Blood is distributed from the surface of a bone to deeper central canals through channels known as
A) perforating canals. B) canaliculi. C) interstitial canals. D) concentric ducts. E) concentric canals.
This figure shows an anterior view of the right orbit. What feature does number 4 indicate?
A. Common tendinous ring B. Central tendinous ring C. Optic canal D. Optic nerve E. Trochlea
The pH of a solution
A. is a measure of the concentration of hydrogen atoms in the solution. B. is a measure of the concentration of hydrogen ions bound to other molecules in the solution. C. is a measure of the concentration of free hydrogen ions in the solution. D. increases as the acidity of the solution increases. E. increases as the free hydrogen ion concentration in the solution increases.
The cerebrum consists only of gray matter
Indicate whether the statement is true or false.