What is/are the direction(s) for vertical ground reaction force?
A. up
B. down
C. lateral
D. all of the above are possible directions
A. up
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Standing up from a seated position or sitting down in a chair involves hip and knee _________ and _________ in the sagittal plane.
Fill in the blank(s) with the appropriate word(s).
Hydrogen bonding between water molecules is responsible for ________
A) polarity B) denaturation of proteins C) enzyme structure D) nonpolar covalent bonding E) surface tension
________ are arranged within a lobule of the liver into a series of irregular plates converging toward a central vein
A) Stellate macrophages B) Hepatocytes C) Bile canaliculi D) Portal areas E) Hepatic ducts
What is the function of interstitial cells of the myenteric plexus?
A. chemoreceptors that detect the chemical composition of food B. production of mucus for lubrication and protection C. pacemaker cells that promote rhythmic contractions of the smooth muscle D. release of enzymes for chemical digestion