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Explain how the human digestive tract processes food. Includethe various organs that help

in digestion and absorption, and what happens to each type offood at each stage in the

process, including the function of the various categories ofdigestive enzymes.

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17 Dec 2019
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Related questions

Question; which of the following is true about the digestive tract ?

a)The acid in the stomach completely digests the food that you swallow

b)The saliva in your mouth digests all the food that you eat

c)Digestion and absorption cannot happen unless all macromolecules

d)Bacteria are responsible for all digestive processes in the human body

f)Most of the digestion and absorption of food occurs in the small intestine.

EAP HW 22 – The Digestive System

Define digestive tract

Define accessory organs

Provide the 6 functions of the digestive system

Define ingestion

Define mechanical processing

Define digestion

Define secretion

Define absorption

Define excretion

Provide the 4 layers of the digestive tract AND what types of tissue they are composed of

Define peristalsis

Provide the 3 functions of the tongue

Describe how the ingredients of saliva help breakdown food

Define salivary amylase

Provide the 4 types of teeth found in the human mouth AND their functions

Provide the 4 steps of the swallowing process

Define esophagitis

Provide the 2 types of cells found in gastric glands AND their functions

Define pepsin

Define cephalic phase

Define gastric phase

Define intestinal phase

Does absorption occur in the stomach? Explain.

Define circular folds

Define villi

Define microvilli

Define brush border

What organ is the above picture from?

Most of the important digestive processes are completed in the _________________________.

Define carbohydrases

Define lipases

Define nucleases

Define proteases

Provide the 3 general functional roles of the liver

Provide the function of bile salts

Define emulsification

Provide the function of the gall bladder

Define gallstones

Provide the standard screening test for colorectal cancer

Define diverticulosis

Define diarrhea and what causes it?

Define constipation, what causes it, and how do you prevent it?

Where does carbohydrate digestion begin?

Where does lipid digestion begin?

Where does protein digestion begin?

Define lactose intolerance

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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