Biology, Eighth Edition (Raven)

Chapter 48: The Digestive System

Learning Outcomes

Chapter 48
  • Understand the neural and hormonal regulation of digestion.
  • Compare the digestive strategies of single cells, primitive invertebrates, and higher animals.
  • Compare the general structure of teeth of herbivores, carnivores, and omnivores.
  • Describe the digestive activities that occur in the mouth and indicate how food passes from the mouth to the stomach.
  • Describe the digestive activities of and secretions produced by the stomach.
  • Describe the digestive and absorptive activities of the small intestine, including its secretions.
  • Explain the importance of convolutions in the digestive tract; identify the regions that are highly convoluted and the regions that are not convoluted.
  • Explain the digestive activities associated with the large intestine.
  • Understand the symbiotic relationships that enhance digestive activities in the vertebrates.
  • Know the two kinds of exocrine cells present in the pancreas and the function(s) of each of their secretions.
  • Describe the metabolic and digestive activities of the liver.
  • Explain the importance of regulating food intake.
  • Understand the importance of essential nutrients including vitamins and amino acids.
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