The ovaries are supported by (the)
A) uterus.
B) roof of the pelvic cavity.
C) ovarian blood vessels and the ovarian hilum.
D) mesovarium.
E) None of the answers are correct.
D) mesovarium.
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Air entering the potential space of the pleural cavity is called
A. pneumothorax. B. pneumonia. C. internal respiration. D. pulmonary ventilation.
Excess iron is stored in the liver and spleen as
A) transferrin. B) urobilin and stercobilin. C) bilirubin and biliverdin. D) hemoglobin. E) hemosiderin and ferritin.
Why does nutrient-rich blood of the hepatic portal vein pass first through the liver before this blood is returned to the heart?
A. This allows the liver to add more nutrients to the blood. B. This allows the liver to add more waste products to the blood. C. The liver needs more nourishment than other tissues; hence nutrients first pass through the liver. D. This allows the liver to store or modify the nutrients.
What does the umbilical vein carry?
A) metabolic wastes and carbon dioxide from the fetus to the placenta B) metabolic wastes and carbon dioxide from the placenta to the fetus C) oxygen and nutrients from the fetus to the placenta D) oxygen and nutrients from the placenta to the fetus E) blood from the navel into the inferior vena cava