Functions of the Digestive SystemEssential questions
How do the functions of chemical and physical digestion
interrelate?
How are disorders of the digestive system treated?
How do you relate the body’s use of nutrients to the
digestive system?
the digestive system 2
digestive system
the digestive system 3
Mouth (buccal cavity)
Mastication
the digestive system 4
Tongue
the digestive system 5
Teeth
Cuspids- Pointed for tearing
Bicuspids- For grinding food
the digestive system 6
Salivary glands
salivary glands? Keep the
What chemical action takes
result? It contains some
antibodies, buffers, ions, waste
products and enzymes that
help break down food.
the digestive system 7
Pharynx
common passageway
the digestive system 8
Esophagus
the digestive system 9
Stomach What are the functions of
the stomach?
the stomach to empty?
About 4 hours 2.08 Understand the functions and disorders of
the digestive system 10
Gastric juices
Enteroendocrine glands
the digestive system 11
Small Intestine
absorbed.
the bloodstream. 2.08 Understand the functions and disorders of
the digestive system 12
Pancreas
the digestive system 13
Functions of the digestive system Liver
What are the functions of the liver? Manufacture bile, produce and store glucose, detoxify alcohol, drugs and other harmful substances, manufacture blood proteins, store vitamins A, D and B complex, break down hormones, remove worn out red blood cells from circulation and recycle iron content.
What is the function of
Bile- necessary for digestion of fat
Glycogen- can be converted to glucose in case of body need.
2.08 Understand the functions and disorders of
the digestive system 14
of the gallbladder? It stores and concentrates bile
when it is not needed by the
body.
the gall bladder.
the digestive system 15
Large intestine What are the functions of the
large intestines? Water reabsorption
Absorption of vitamins produced by bacteria in the large intestine
Packaging and compacting waste products for elimination
What type of diet promotes colon health? High Fiber!
Chyme: Semi-liquid food
the digestive system 16
digestive system
their relevance to health.
the digestive system 17
Fecal transplant
patient who has lost
healthy bacteria in their
the digestive system 18
Used to treat Clostridium
difficile that grows in
What can healthcare professionals learn from observing stool specimens?
On average, how much flatus does a person produce per day?
2.08 Understand the functions and disorders of
the digestive system 19
the digestive system 20
2.08 Understand the functions and disorders of
the digestive system 21
Anorexia
the digestive system 22
Caries What is another name for
caries? Cavities
the digestive system 23
Cholecystitis What is cholecystitis?
What are the symptoms?
Pain in the RUQ
removal
the digestive system 24
Cirrhosis
inflammatory disease of the liver
What are the symptoms? None at first, but as the liver starts to
fail, exhaustion, nausea, weakness,
common symptoms.
the digestive system 25
Constipation
feces and it becomes dry and
hard.
fruits, vegetables, drinking plenty
tension
the digestive system 26
Gastroenteritis
intestinal tract.
disorders of the digestive system 27
Disorders of the digestive system
Hepatitis
Acute
Chronic
What are some
common symptoms of
hepatitis? Fever, nausea,
anorexia and jaundice 2.08 Understand the functions and disorders of
the digestive system 28
Irritable bowel syndrome
Define irritable bowel
unknown causes.
the digestive system 29
Peptic ulcer
stomach
called H. Pylori
inflammatory drugs, avoid alcohol,
the digestive system 30
digestive system
the digestive system 31