The small intestine receives its blood supply from the:
What will be an ideal response?
superior mesenteric artery.
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Extrinsic control of arteriolar radius is
a. accomplished primarily by the sympathetic nervous system b. important in the regulation of arterial blood pressure c. sometimes overridden by local adjustments d. all of the above e. only a and b
Increased strength of a trained muscle is due to
A. an increased number of muscle fibers. B. the nervous system's ability to recruit a large number of motor units simultaneously. C. elimination of unnecessary enzymes and metabolic pathways. D. elimination of all fat deposits. E. elimination of unnecessary connective tissue.
The glossy-white appearance of most axons is due to
A. their proximity to light-reflecting cartilage. B. their proximity to white bone. C. the covering of ependymal cells. D. the high lipid content of the myelin sheath. E. the white color of the perivascular feet.
Gram for gram, the largest amount of energy can be stored in the body in the form of
A. polysaccharides. B. monosaccharides. C. triglycerides. D. steroids. E. vitamins.