Mercury is used to measure blood pressure because it is ________ compared to other liquids
A) lighter in color
B) darker in color
C) more dense
D) warmer
E) less dense
C
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What is the basic structural unit of compact bone tissue?
a) osteon b) stroma c) lamellae d) chromosome e) lacunae
A section that divides the body into mirror images would be a ________.
A. frontal section B. cross section C. midsagittal section D. transverse section
The ________ separates the abdominal and thoracic cavities.
A. liver B. lungs C. diaphragm D. rib cage
Consider an atom with four electrons in its outer shell. If that atom is covalently bound to three other atoms within a molecule, then it is
A. in single bonds with all three atoms. B. in double bonds with all three atoms. C. in a triple bond with one atom and in single bonds with two atoms. D. in a double bond with one atom and in single bonds with two atoms. E. in a single bond with one atom and in double bonds with two atoms.