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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
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 explanation
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- 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 explanationDo 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?Follow the route food takes in the human GI tract and know the organs and their key functions including key fluids that are secreted. What actually does the stomach in humans do? (it is NOT the main place of digestion). What is bile (not a digestive enzyme) and where made, where secreted? What does pancreas contribute? Where is most of the food actually broken down into smaller molecular parts = digested? What is major role of large intestine (not digestion, not most absorption of nutrients) What are the muscular contractions that move it all?
- Many digestive enzymes are produced in the pancreas and released into the duodenum. Why, then, has the mammalian stomach evolved the ability to produce pepsinogen?Which of the following statements is true?a. Intracellular digestion commonly occurs in vertebrates.b. Absorption of nutrients always requires active transport.c. Alimentary canals have two openings, whereas gastrovascularcavities have only one.d. Extracellular, but not intracellular, digestion requires hydrolyticenzymes.e. Most minerals are absorbed by simple diffusion.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?
- Does the type of diet of the insect affect the structure of organs/parts of the digestive system? Cite at least four structures and explain such adaptation. Make sure that each division of the digestive system should be represented. Elaborate in your own words.Explain in your own words: What are the unique anatomical structures observed in birds to carry out thefunctions of digestion? Elaborate on these unique structures and provide reasons for theappearance of these unique structures.Can you help me with these questions? (A)Rank the test tubes in order of greatest amount of digestion to least amount of digestion. For each tube, explain why it would have exhibited that level of digestion. (B)How could the experiment be modified to further test human digestion actions? What variables would you change? What would you keep the same? (C)In which test tube was the activity most like that of a real human stomach? Explain. Here is the picture.
- The stomach has two types of exocrine cells, chief cell which secrete an inactive form of the protein degesting enzymes pepsinogen, and parietal cells , which secrete hydrochloric acid that activates pepsinogen.Both cell types have an abundance of mitochondria ATP production.The chief cells need energy to synthesise pepsinogen and parietal cells need energy to transport hydrogen ions and chloride ions from the blood into the stomach lumen.Only one of this cell types has an extensive roung endoplasmic and abandant Golgi stacks. Would this be the chief cells or parietal cells?why?Describe the mechanisms of digestion and absorption ofcarbohydrates, proteins, and fats in vertebrates, and explain theimportance of enzymes in some of these processes.The 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.