Why are the abdominopelvic cavity organs the most vulnerable in an automobile accident?
What will be an ideal response?
The walls of the abdominal cavity are formed only by trunk muscles and are not reinforced by bone. The pelvic organs receive a somewhat greater degree of protection from the bony pelvis.
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What type of molecule is shown in the diagram? Where in a eukaryotic cell would this type of molecule be commonly found? What special chemical properties does this molecule possess that allows it to accomplish its functions?
What will be an ideal response?
Stepping on a piece of glass would most likely invoke a ________ reflex.
A. stretch B. Golgi tendon C. pain D. withdrawal E. motor
Saltatory conduction occurs:
A) when myelin sheaths are present. B) when threshold has not yet been reached. C) in gray matter. D) when myelin sheaths are absent.
A buffer will
A. enhance changes in the pH of the solutions. B. make a solution more acidic. C. make a solution more basic. D. have no effect on the pH of the solutions. E. resist drastic changes in the pH of the solutions.