About 2,000 species of bacteria have been identified in the human large intestine
a. True
b. False
Indicate whether the statement is true or false
True
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An alternative term for the lateral compartment of muscles that move the foot and toe is ____________________.
Fill in the blank(s) with the appropriate word(s).
Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Adrenal nephrons B. Juxtamedullary nephrons C. Cortical nephrons D. Intercalated nephrons
Potential energy is
A. stored energy that could do work but is not doing so.
B. movement of ions or electrons.
C. the form of energy that actually does work.
D. energy that flows between objects with different temperatures.
E. energy that moves in waves.
Why is type O blood called the universal donor?
A. Because everyone with type O blood is Rh+, like most of the population, so this blood type is compatible with all others B. It is not well understood why type O blood can be transfused into people with all blood types. C. Because type O blood plasma does not contain anti-A or anti-B antibodies, so it can be transfused into recipients of any blood type D. Because everyone with type O blood is Rh-, and therefore, this blood type cannot initiate any transfusion reactions E. Because type O red blood cells contain neither antigen A nor antigen B, so they can be transfused into most recipients of any blood type, without being attacked by antibodies