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7 Nov 2018

Different types of muscles enable motion, generate heat to maintain body temperature, move food through digestive tract and contract the heart. Discuss the structure of the various types of muscle and how they allow for these different functions

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Casey DurganLv2

8 Nov 2018

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Matt and Maria have now received and begun to eat their Chinese takeout. They have accomplished biting off a portion of a piece of their General Tso's chicken and rice and proceeded to chew and swallow. For this report, you will describe the path the chicken and rice follows and the physiological processing that take place to convert the chicken and rice into their nutritional components that can be used by the body for energy and homeostatic processes. Consider the following as you proceed through your research and discussion of this topic.

1.Through which organs, and in what order does the bolus of food travel?

2. How long does the food remain in each segment of the digestive tract and what physiological processing takes place during this time?

3. What role does the autonomic nervous system play in controlling the movement of food through the digestive tract? What other physical or physiological factors can impact the movement of food though the digestive tract?

4. What specific enzyme or other digestive substances are associated with each segment of the digestive tract and which cells produce these substances? What specific components of the chicken and rice (proteins, carbohydrates, etc.) are processed by each of these substances?

5. What role do the accessory digestive organs play in the process? What are the specific cells of each of these accessory organs and what substances do they produce? Where in the digestive tract are the substances introduced into the digestive process?

6.What is the ultimate fate of the digested chicken and rice? What was the initial biological structure of the nutritional components first consumed (example proteins breaking down to their simpler components) and what are the resulting products resulting from digestion that are now ready and available for use by the body for energy and homeostasis?

7. What is the fate of the solid and fluid components that are not absorbed into the body? When and where does control of movement of digestive tract content transition from the autonomic nervous system controlled smooth muscles to peripheral nervous system control of voluntary skeletal muscles?

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Answer each question. All assignments must be uploaded in MSWord.

1. Compare food security and food insecurity and identify thefactors that contribute to each.

2. Discuss the effects of hunger and malnutrition and theirimpact on children.

3. Describe U.S. government programs designed to increase foodsecurity.

4. Describe organic food production, its regulation, and itspotential benefits.

5. Discuss the current and potential uses of geneticallymodified foods, along with concerns related to their safety.

6. Explain how food preservation and processing methods affectfood availability.

7. Describe the role of food additives in the food supply, alongwith how they are regulated.

8. List the major causes of foodborne and waterborne illnessesin the U.S. and describe how consumers can reduce the risk of theseillnesses.

9. Describe the common environmental contaminants (heavy metals,industrial chemicals, pesticides, and antibiotics), their potentialharmful effects, and how to reduce exposure to them. 10. Outlinethe rolew played by the gastrointestinal tract and the relatedaccessory organs (liver, gallbladder, and pancreas) in digestionand absorption.

11. Describe how foods are moved along the digestive trace.

12. Explain the 4 main types of absorption, and where they occuralong the digestive tract.

13. Identify the key enzymes and hormones involved in digestionand absorption and their functions.

14. Identify major nutrition-related gastrointestinal diseasesand disorders and typical approaches to prevention andtreatment.

15. Explain why diarrhea represents a serious health challengeto infants and young children around the world.

erinraccoon733

Food that we consume is composed of very complex molecules.During the digestive process these compounds are broken down intosmaller and smaller subunits in preparation for use by the body asbuilding blocks needed for the many components of the human body.The chicken and rice that were eaten by Matt and Maria containedingredients composed of fats, proteins, carbohydrates, and othercomponents such as minerals, water and vitamins.

** From the point that the specific metabolites are absorbedfrom the GI tract, trace the path of the resulting metabolites tothe following locations in the body for incorporation into the bodystructure:

1.Metabolites of protein for use in the Gastrocnemius muscle formuscle maintenance.

2. Metabolites of the carbohydrates for energy to contract thecardiac muscle cells.

3. Metabolites of fat to incorporate into the myelin sheaths ofthe Schwann cells of the Trigeminal nerve that innervates theMasseter muscle.

4. Water for incorporation into the synovial fluid of the hipjoint.

5. Iron for incorporation into red blood cells in the bonemarrow of the sternum.

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Different types of muscles enable motion, generate heat to maintain body temperature, move food through digestive tract and contract the heart. Discuss the structure of the various types of muscle and how they allow for these different functions

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