Alveolar ventilation refers to the
A) movement of air into and out of the lungs.
B) movement of air into and out of the alveoli.
C) movement of dissolved gases from the alveoli to the blood.
D) movement of dissolved gases from the blood to the alveoli.
E) utilization of oxygen by alveolar cells to support metabolism.
B
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The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, unite to form the ________
A) hepatopancreatic ampulla B) bile canaliculus C) pancreatic acini D) portal vein
Highly differentiated tissues such as nervous and cardiac muscle are incapable of new cell production
Indicate whether the statement is true or false
In appositional growth of cartilage,
A. new chondrocytes and new matrix are added on the outside of the tissue. B. the tissue becomes vascularized in order to grow. C. chondroblasts within the tissue proliferate and add more matrix from the inside. D. the cartilage is replaced with another kind of connective tissue. E. osteoblasts replace the chondroblasts.
A solution that resists a change in pH when an acid or base is added to it is a(n) ________
A) reducing agent B) catalyst C) buffer D) colloid E) oxidizing agent