The document summarizes the human digestive system process in 3 phases:
1) The cephalic and gastric phases involve preparation for eating, digestion in the stomach through gastric acid and enzymes.
2) The intestinal phase has two parts, the excitatory and inhibitory phases, which trigger release of hormones and further digestion in the duodenum.
3) After processing in the small intestine, food enters the large intestine for water absorption before waste expulsion. The liver, pancreas and other organs play key roles in metabolism and digestion.
Austin Digestive System is an open access, peer reviewed, scholarly journal dedicated to publish articles covering all areas of Digestive System.
The journal aims to promote latest information and provide a forum for doctors, researchers, physicians, and healthcare professionals to find most recent advances in the areas of Digestive System. Austin Digestive System accepts research articles, reviews, mini reviews, case reports and rapid communication covering all aspects of Digestive System.
Austin Digestive System strongly supports the scientific up gradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing.
In the human digestive system, the process of digestion has many stages, the first of which starts in the mouth (oral cavity). Digestion involves the breakdown of food into smaller and smaller components which can be absorbed and assimilated into the body. The secretion of saliva helps to produce a bolus which can be swallowed to pass down the oesophagus and into the stomach.
human digestive system ppt powerpoint presentation (19 slides) /In English/fo...rushil surana
slide 3 looks clumsy as it is animated when used in full screen in microsoft powerpoint looks excellent, do try
it contains information about
1.what is digestion?,and
2.Each and every organ involved in digestive system in a simple and pictorial formats
3.involves animations and gif to make it look more intresting
4.each and every organ explained deeply with a picture
5.easily editable and contains information in english
6.animated to look good and clean
digestive system ppt made by rushil surana
Austin Digestive System is an open access, peer reviewed, scholarly journal dedicated to publish articles covering all areas of Digestive System.
The journal aims to promote latest information and provide a forum for doctors, researchers, physicians, and healthcare professionals to find most recent advances in the areas of Digestive System. Austin Digestive System accepts research articles, reviews, mini reviews, case reports and rapid communication covering all aspects of Digestive System.
Austin Digestive System strongly supports the scientific up gradation and fortification in related scientific research community by enhancing access to peer reviewed scientific literary works. Austin Publishing Group also brings universally peer reviewed journals under one roof thereby promoting knowledge sharing.
In the human digestive system, the process of digestion has many stages, the first of which starts in the mouth (oral cavity). Digestion involves the breakdown of food into smaller and smaller components which can be absorbed and assimilated into the body. The secretion of saliva helps to produce a bolus which can be swallowed to pass down the oesophagus and into the stomach.
human digestive system ppt powerpoint presentation (19 slides) /In English/fo...rushil surana
slide 3 looks clumsy as it is animated when used in full screen in microsoft powerpoint looks excellent, do try
it contains information about
1.what is digestion?,and
2.Each and every organ involved in digestive system in a simple and pictorial formats
3.involves animations and gif to make it look more intresting
4.each and every organ explained deeply with a picture
5.easily editable and contains information in english
6.animated to look good and clean
digestive system ppt made by rushil surana
With this presentation we will learn to develop an understanding of the relationships between the structures and functions of the human digestive system and digestive processes which include the processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation
753 Learning OutcomesAfter reading this chapter, .docxpoulterbarbara
75
3
Learning Outcomes
After reading this chapter, you will be able to:
3.1 Describe the processes and organs involved in
digestion.
3.2 Explain how food is propelled through the gas-
trointestinal tract.
3.3 Identify the role of enzymes and other secre-
tions in chemical digestion.
3.4 Describe how digested nutrients are absorbed.
3.5 Explain how hormones and the nervous sys-
tem regulate digestion.
3.6 Explain how absorbed nutrients are trans-
ported throughout the body.
3.7 Discuss the most common digestive disorders.
True or False?
1. Saliva can alter the taste of food. T/F
2. Without mucus, the stomach would digest itself. T/F
3. The major function of bile is to emulsify fats. T/F
4. Acid reflux is caused by gas in the stom-ach. T/F
5. The primary function of the large intes-tine is to absorb water. T/F
6. Feces contain a high amount of bacteria. T/F
7. The lymphatic system transports all nutrients through the body once they’ve been absorbed. T/F
8. Hormones play an important role in digestion. T/F
9. Diarrhea is always caused by bacterial infection. T/F
10. Irritable bowel syndrome is caused by an allergy to gluten. T/F
See page 110 for the answers.
Digestion,
Absorption,
and Transport
M03_BLAK8260_04_SE_C03.indd 75 12/1/17 11:28 PM
76 Chapter 3 | Digestion, Absorption, and Transport
The digestion of food begins even before you take that first bite. Just the sight and smell of homemade apple pie stimulates the release of saliva in
the mouth. The secretion of saliva and other digestive juices starts a cascade of
events that prepares the body for digestion, the chemical and mechanical
processes by which the body breaks food down into individual nutrient
molecules ready for absorption. Food components that aren’t absorbed are
excreted as waste (feces) by elimination. Although these are complex
processes, they go largely unnoticed. You consciously chew and swallow the
pie, but you don’t feel the release of chemicals or the muscular contractions
that cause it to be digested or the absorption of nutrient molecules through
the intestinal lining cells. In fact, you may be unaware of the entire process
until about 48 hours after eating, when the body is ready to eliminate waste.
In this chapter, we explore the processes of digestion, absorption, and
elimination, the organs involved, and the other biological mechanisms that
regulate our bodies’ processing of food and nutrients. We also discuss the causes
and treatments of some common gastrointestinal conditions and disorders.
What Are the Processes and Organs
Involved in Digestion?
LO 3.1 Describe the processes and organs involved in digestion.
Digestion, absorption, and elimination occur in the gastrointestinal (GI) tract, a mus-
cular tube approximately 20–24 feet long in an adult. Stretched vertically, the tube would
be about as high as a two-story building. It provides a barrier between the food within the
lumen (the hollow .
Human have a special digestive system than the other animals. We have to know how our body digest our food after having a meal. So, let's check it out.
Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
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