Muscular action propels food through the alimentary canal by a process called ______.
A) circular contractions
B) active transport
C) peristalsis
D) progurgitation
Correct Answer:
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Q3: Which of the following mechanisms helps prevent
Q5: The esophagus and trachea are both open
Q5: Spiders are _.
A)herbivores
B)filter feeders
C)carnivores
D)omnivores
Q8: Movement of chyme from the stomach to
Q9: The digestive sac of a jellyfish has
Q9: The stomach's gastric glands secrete _.
A) digestive
Q10: Which of the following choices lists the
Q15: The four stages of food processing are,in
Q19: What is the epiglottis?
A)a muscle that moves
Q20: Digestion begins in the _.
A)oral cavity
B)esophagus
C)pharynx
D)stomach
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