Do you think that the digestive system of humans is similar to those of other animals? Where might you see the most prominent differences especially between humans and animals with different diets?
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- Figure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.Figure 34.11 Which of the following statements about the digestive system is false? Chyme is a mixture of food and digestive juices that is produced in the stomach. Food enters the large intestine before the small intestine. In the small intestine, chyme mixes with bile, which emulsifies fats. The stomach is separated from the small intestine by the pylloric sphincter.Vertebrates have a complete digestive system, which means that their digestive tract has two openings, a mouth and an anus. What are some of the evolutionary advantages among animals with a complete digestive tract?
- Many digestive enzymes are synthesized in the pancreas and released into the duodenum. Why do mammalian digestive systems go to the trouble of producing pepsin in the stomach? What does pepsin do that others do not?Explain why protein should be included in the diet. What will happen to the human body if we are deficient in particular vitamins and trace elements? Give examples of effects of vitamin and mineral deficiencies. There are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets? Compare the incomplete and complete digestive systems. What are the functions of accessory organs in a complete digestive system? Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain. What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanationBirds do not have teeth. Do you think they have adaptations to processing different types of food, comparable to the diversity seen in mammals? If so, what might these adaptive differences be?
- How does human anatomy indicate that our primate ancestors were not strict vegetarians?Which of the following is True?a. The human stomach maintains a very high pH.b. Gastric glands in the stomach wall secrete pepsinogen. c. Bile is released into the stomach from the liver.d. Many different nutrients are absorbed through the stomach.Figure 16.7 Which of the following statements about the digestive system is false?a. Chyme is a mixture of food and digestive juices that is produced in the stomach.b. Food enters the large intestine before the small intestine.c. In the small intestine, chyme mixes with bile, which emulsifies fats.d. The stomach is separated from the small intestine by the pyloric sphincter.
- What part(s) of the digestive system are responsible for digesting all three types of foodstuffs (Carbohydrates, proteins, and fats)? Select one: a. Large intestine b. Small intestine c. Mouth d. Stomach and small intestine e. StomachThere are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets? Compare the incomplete and complete digestive systems. What are the functions of accessory organs in a complete digestive system? Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain. What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanationThe human digestive system has evolved to efficiently process regular meals, and many of us eat normal-sized meals a few times a day. However, imagine if humans could only eat one *giant* meal, just once every *week*. How might our digestive systems be changed to make this possible? Describe two specific ways that you could modify the human digestive system to accommodate eating much larger meals, much less often.
