The digestive system turns food into energy and packages waste for disposal. It consists of the mouth, esophagus, stomach, small intestine, pancreas, liver, gallbladder, large intestine, rectum and anus. Food is ingested, digestive juices and enzymes are secreted, food is mixed and moved through peristalsis and segmentation, nutrients are absorbed and waste is excreted.
Digestive System of the Human Body.
Detailed explaination.
According to ICSE syllabus for grade 9.
This Presentation includes: The alimentary canal, organs and their functions, secretions, processes and definitions.
Based on selina publishers- Biology Part 1 grade 9.
Digestive System of the Human Body.
Detailed explaination.
According to ICSE syllabus for grade 9.
This Presentation includes: The alimentary canal, organs and their functions, secretions, processes and definitions.
Based on selina publishers- Biology Part 1 grade 9.
This PowerPoint presentation details out the anatomy of the human digestive system. Their are general terminologies that involves the topic but over-all this work focuses on how digestion takes place in the human body. The details coming from this presentation are combined from four different and liable sources/references including Biology (Thomson Asian Edition). I can say that this presentation is brief and well-organized so I hope this could help you in your class or seminars. Thanks.
"Digestive System is a system by which ingested food is acted upon by physical and chemical means to provide the body with absorb-able nutrients and to excrete waste products."
CLINICAL CONSIDERATIONS
Noncommunicating (obstructive) hydrocephalus occurs more frequently
CSF of ventricles unable to reach subarachnoid space
Production of CSF continues
Gyri are flattened against inside of skull
If skull is still pliable head may enlargeThe Digestive Organs and the PeritoneumLined with serous membrane consisting ofSuperficial mesothelium covering a layer of areolar tissueSerosa, or visceral peritoneum:covers organs within peritoneal cavityParietal peritoneum:lines inner surfaces of body wall
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.
This PowerPoint presentation details out the anatomy of the human digestive system. Their are general terminologies that involves the topic but over-all this work focuses on how digestion takes place in the human body. The details coming from this presentation are combined from four different and liable sources/references including Biology (Thomson Asian Edition). I can say that this presentation is brief and well-organized so I hope this could help you in your class or seminars. Thanks.
"Digestive System is a system by which ingested food is acted upon by physical and chemical means to provide the body with absorb-able nutrients and to excrete waste products."
CLINICAL CONSIDERATIONS
Noncommunicating (obstructive) hydrocephalus occurs more frequently
CSF of ventricles unable to reach subarachnoid space
Production of CSF continues
Gyri are flattened against inside of skull
If skull is still pliable head may enlargeThe Digestive Organs and the PeritoneumLined with serous membrane consisting ofSuperficial mesothelium covering a layer of areolar tissueSerosa, or visceral peritoneum:covers organs within peritoneal cavityParietal peritoneum:lines inner surfaces of body wall
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.
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An overview of the GIT with detailed study of the organs, along with their anatomy and physiology. It will find u easier to go through this complex function within our body.
Grade 7 chapter1 lesson1 - the digestive systemLermaPendon1
Lesson 2 The Digestive system
-Functions of Digestive system
-Digestion
-Types of Digestion
-Enzymes
-The role of Enzymes in Digestion
-Organs of Digestive system
-The Mouth
-the Esophagus
-Peristalsis
-The Stomach
-Chyme
-the Small Intestine
-Villi
-the Large intestine
-Bacteria and Digestion
-the Digestive system and Homeostasis
-Common Ailments and Disorders of the Digestive system
The digestive system is made up of the digestive tract and other organs that help the body break down and absorb food. It is a long, twisting tube that starts at the mouth and goes through the oesophagus, stomach, small intestine, large intestine and anus.
it shows some of the information that you are looking with. this will help to guide about this topic. This only for educational purposes especially to those teachers that are teaching in public and private schools. and, also to those students, you are free to download and use this as your visual aid.. thank you.. Miggy :)
Anatomy and Physiology of Digestive system.
Different Digestive process for absorption of food in GIT.
Different parts GIT Tract where food move from Mouth to the anus.
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Digestive system
1.
2. Function of Digestive System
Turning food into energy needed to survive
Packaging the residue for waste disposal
3. PARTS OF DIGESTIVE SYSTEM
Mouth
Pharynx
Esophagus
Stomach
Small Intestine
Pancreas
Liver
Gallbladder
Colon (large intestine)
Rectum
Anus
4. STRUCTURE and FUNCTION
Mouth
• Also known as ORAL CAVITY
• the beginning of the digestive tract
• accessory organs- the teeth,tongue,salivary glands
Teeth chops - saliva moistened - tongue push to pharynx
5. Pharynx
• A funnel-shaped connected to the posterior end of the mouth
• Passes chewed food from mouth to esophagus
• Contains epiglottis that acts as “switch” to route food to
esophagus and air to larynx
6. Esophagus
• A muscular tube connecting pharynx to the stomach
• Carries masses of chewed food along its length
• Cardiac sphincter-it close the end of the esophagus and trap food in
trap food in the stomach
-found at the inferior end of stomach
7. Stomach
• A muscular sac located at the left side of the abdominal
cavity
• Acts as a storage tank for food
• Contains hydrochloric acid and digestive enzymes that
continues the digestion
8. Small Intestine
• A long, thin tube bout 1 inch in diameter and 10 feet long
and part of lower gastrointestinal tract
• It’s coiled like a hose and its inside surface has many ridges
and folds
• Takes up most of the space in the stomach
• The folds maximize the digestion of food and absorption of
nutrients
9. Liver
• Is a roughly triangular accessory organ of the digestive
system
• Second largest organ of the body (weighs 3 lbs. )
• Main function is the production of the bile and its secretion
to small intestine
10. Gallbladder
• A small pear-shaped organ located just posterior end of
the liver
• Use to store and recycle excess bile from the small
intestine
11. Pancreas
• A large gland located just inferior and posterior of the
stomach
• Secretes digestive enzymes into small intestine
complete to complete food digestion
12. Large Intestine
• A long thick tube about 2 ½ inches diameter
and 5 feet long
• Wraps around the superior and lateral border
of small intestine
• Absorbs water and contains many symbiotic
bacteria
Feces in the large intestine exits the body
through the anal canal.
13. 1. Ingestion of food
2. Secretion of fluids and digestive enzymes
3. Mixing and movement of food and wastes through
the body
4. Digestion of food into smaller pieces
5. Absorption of nutrients
6. Excretion of wastes
6 primary processes of digestive system
14. INGESTION
• Intake of food
Responsible organ:
mouth
stomach-storage of food to be digested
15. SECRETION
• Digestive system secretes 7 liters of fluids/day
Saliva – moistens dry food and contains digestive amylase
Mucus – serves as protective barrier and lubricant inside GI tract
Hydrochloric acid – helps digest food chemically and protects body
Enzymes – disassemble large macromolecules like proteins,
carbohydrates, and lipids into smaller components
Bile – used to emulsify large masses of lipids into tiny globules for
easy digestion
16. MIXING AND MOVEMENT
3 main process to mix and move
Swallowing
Peristalsis
Segmentation – occurs only in small intestine
17. DIGESTION
Is the process of turning large pieces of food into its
chemical component
ABSORPTION
Responsible organs:
stomach
small intestine
large intestine
18. EXCRETION
The final function of the digestive system is the
excretion of waste in a process known as
defecation. Defecation removes indigestible
substances from the body so that they do not
accumulate inside the gut.
The final function of the digestive system is the excretion of waste in a process known as defecation. Defecation removes indigestible substances from the body so that they do not accumul
