The great cardiac vein and middle cardiac vein empty into a venous cavity called the
A. pulmonary vein.
B. inferior vena cava.
C. superior vena cava.
D. coronary sinus.
E. coronary artery.
D
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Athletes abuse erythropoeitin (EPO) because it
A) increases the red blood cell supply, which depletes oxygen from muscle cells. B) decreases the red blood cell supply, which brings more oxygen to muscle cells. C) increases the white blood cell supply, which prevents infection. D) increases the red blood cell supply, which brings more oxygen to muscle cells.
All smooth muscle is myogenic
Indicate whether the statement is true or false
Potential energy stored in bonds is released as ________ energy.
A. kinetic B. heat C. chemical D. electrical E. electromagnetic
The functions of the nasal cavity include ________
A) warming, moistening, and filtering the air B) passing inspired air into the blood C) accommodating both ingested food and air D) passing air over the various tonsils