The femur is an example of a(n)
a. short bone.
b. flat bone.
c. long bone.
d. irregular bone.
c. long bone.
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The total number of bones in the bilateral upper extremities and shoulder girdles is ____________________.
Fill in the blank(s) with the appropriate word(s).
Functions of the gallbladder include
A) secretion of gastrin, a stomach hormone. B) secretion of acids to assist the duodenum in breakdown of lipids. C) storage of bile. D) secretion of bile. E) All of the answers are correct.
What action is most responsible for the resting membrane potential in cardiac muscle cells?
A. Movement of Ca2+ through voltage-gated Ca2+ channels. B. Closing of Na+ and K+ voltage-gated channels C. Movement of K+ through voltage-gated K+ channels D. Movement of Na+ through open Na+ channels
Match each component of the juxtaglomerular apparatus with its description.
mesangial cells - juxtaglomerular cells - macula densa cells epithelial cells at the end of the nephron loop - smooth muscle cells within wall of afferent arteriole - cells between the arterioles and amongst the glomerular capillaries