Which accessory organ of the digestive system is responsible for almost 200 known functions?
A) salivary glands
B) gallbladder
C) liver
D) pancreas
E) appendix
Answer: C
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The term "canines" describes the teeth that
A. are lateral to the incisors, used for puncturing and tearing. B. are only found as permanent teeth. C. bear dental cusps for cutting and grinding. D. are most anterior, used for slicing and cutting.
Which of the following is true about veins?
Veins have valves arteries do not Veins carry blood away from the heart, while arteries carry blood to the heart. Veins have a smaller diameter lumen than arteries. Veins are more muscular than arteries.
An organic molecule such as a vitamin that makes an enzyme functional is called a/an ________.
A. catalyst B. coenzyme C. coactivator D. buffer
Which blood vessel tunic is innervated by nerves from the sympathetic nervous system?
A) tunica externa B) tunica intima C) tunica adventitia D) tunica media