The medullary cavity is
A. the site where osteoblasts are found.
B. filled with fibrocartilage and elastin fibers.
C. dead space in the bone.
D. lined with endosteum.
E. empty in adult bones.
D
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Usually the urine of someone with a high-protein diet does not contain any bicarbonate ions, as all of it that is filtered is reclaimed from the tubules
Indicate whether this statement is true or false.
The __________ valve regulates the flow of blood between the right ventricle and the vessels leading to the lungs.
A. right atrioventricular B. left atrioventricular C. aortic D. pulmonary E. mitral
Starting at the superior end, the uterus in the female is divided into __________.
a. isthmus, body, and cervix b. fundus, body, and cervix c. body, cervix, and isthmus d. cervix, body, and isthmus
Bile salts are
A. amphipathic. B. completely hydrophobic. C. completely hydrophilic.