The urinary system helps to maintain the extracellular fluid pH by
a. synthesizing buffers.
b. retaining carbon dioxide in the filtrate.
c. excreting hydrogen ions as water.
d. combining hydrogen ions with urea.
e. joining hydrogen ions with bicarbonate.
C
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Four of the five answers listed below are parts of the same nerve grouping. Select the exception. a. cranial nerve b. thoracic nerve c. lumbar nerve d. cervical nerve e. sacral nerve
Topographic features, such as mountains and valleys, influence the climate of a region
Indicate whether the statement is true or false
Which of the following is NOT a possible function of the extracellular matrix in animal cells?
a. enables cells to migrate along intracellular fibers b. produce numerous channels for continuous flow of water from cells to cells. c. permit communication between the extracellular matrix and the cells d. helps cells have flexibility
The common bile duct delivers bile from the _____to the______.
Fill in the blank(s) with the appropriate word(s).