Which of the following is part of the axial skeleton?
A. the skull
B. the vertebrae
C. the sternum
D. all of the above
D. all of the above
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The outermost meninx, the __________ __________, envelops the brain and attaches anteriorly to the crista galli and inferiorly around the foramen magnum.
Fill in the blank(s) with the appropriate word(s).
If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen?
A) The cells will swell and ultimately burst. B) The cells will lose water and shrink. C) The cells will shrink at first, but will later reach equilibrium with the surrounding solution and return to their original condition. D) The cells will show no change due to diffusion of both solute and solvent.
During isovolumetric ventricular contraction,
a. rapid filling of the ventricles occurs. b. all heart valves are closed c. the maximum volume of blood is ejected. d. the maximum rate of ejection occurs. e. the atria are in systole
The innate (nonspecific) defense system and adaptive (specific) defense system make up the immune system
Indicate whether the statement is true or false