The left subclavian artery branches directly from the:
What will be an ideal response?
aortic arch.
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The functions of skin include
A. acting as a protective covering. B. regulating body temperature. C. housing sensory receptors. D. all of the answer choices are correct.
The presence of large numbers of microvilli on the exposed surfaces of epithelial cells indicates that
A) these cells are probably located along portions of the digestive and urinary tracts. B) these cells are transportation specialists. C) this is the area where absorption and secretion take place. D) All of the answers are correct. E) None of the answers are correct.
Which of the following events would increase filtration pressure?
A. Increase in colloid osmotic pressure B. Decrease in renal blood flow C. Increase in capsular pressure D. Dilation of the efferent arteriole E. Constriction of the efferent arteriole
The ________ provides most of the Ca2+ needed for myocardial contraction
A) cytoskeleton B) mitochondria C) Golgi apparatus D) sarcoplasmic reticulum E) extracellular fluid