2.08 Understand the functions and disorders of the digestive

systemEssential questions

What are the functions of the digestive system? How do the functions of chemical and physical digestion

interrelate? What are the common disorders of the digestive system? How are disorders of the digestive system treated? How do you relate the body’s use of nutrients to the

digestive system?

2.08 Understand the functions and disorders of the digestive system 2

Understand the functions of the

digestive system

2.08 Understand the functions and disorders of the digestive system 3

Functions of the digestive system

Mouth (buccal / oral cavity)What digestive system functions occur in the mouth?

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Functions of the digestive system

TongueWhat is the digestive system function of the tongue?

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Functions of the digestive system

TeethMastication

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Functions of the digestive system

Salivary glands

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Functions of the digestive system

Palate

Uvula

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Functions of the digestive system

Pharynx What does the

pharynx do?

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Functions of the digestive system

Esophagus What does the

esophagus do?

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Functions of the digestive system

Stomach

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Functions of the digestive system

Gastric juices Enteroendocrine glands Parietal cells Chief type cells Mucus cells Rennin

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Functions of the digestive system

Small Intestine

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Functions of the digestive system

Pancreas What digestive enzymes

are secreted by the pancreas?

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Functions of the digestive system

Liver

1- Manufacture bile2- Produce and store glycogen3- Detoxify alcohol, drugs, and harmful substances4- Manufacture blood proteins5- Prepare urea6- Store vitamins7- Break down hormones8- Remove red blood cells and recycle iron content

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Functions of the digestive system

Gallbladder

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Functions of the digestive system

Large Intestine What are the functions of the

large intestines?

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Functions of the digestive system

Fecal transplant Allows the bacteria from

the healthy stool to repopulate the gut of the patient who has lost healthy bacteria in their gut

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Used to treat Clostridium difficile that grows in human intestines Symptoms range from

persistent diarrhea to life-threatening inflammation of the colon to death

Functions of the digestive system

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Disorders of the digestive system

Anorexia Decreased or poor

appetite

Symptom

Anorexia nervosa Eating disorder

characterized by refusal to eat

Psychiatric disorder

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Disorders of the digestive system

Caries What is another name for

caries?

What are caries?

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Disorders of the digestive system

Cholecystitis What is it? What are the symptoms? How is it treated?

Cholelithiasis (Gallstones)

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Disorders of the digestive system

Cleft palate What is it? How is it treated?

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Disorders of the digestive system

Cirrhosis What is cirrhosis?

What are the symptoms?

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Disorders of the digestive system

Constipation What is constipation?

What are some causes?

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Disorders of the digestive disorders

Diarrhea What is it? What causes it?

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Disorders of the digestive disorders

GastroenteritisWhat is it?What causes it?

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Disorders of the digestive system

Gastroesophageal Reflux Disease (GERD)

What is it?What causes it?

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Disorders of the digestive system

Hepatitis Hepatitis A Hepatitis B Hepatitis C Hepatitis D Hepatitis E

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Disorders of the digestive system

Irritable bowel syndrome What is it? What causes it? How is it treated?

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Disorders of the digestive system

Peptic ulcer What is it?

What causes it?

How is it treated?

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Relevance of nutrition to the

digestive system

Healthy dietary habits help maintain homeostasis of body systems

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Relevance of nutrition to the digestive system

Vitamins Fat soluble

Vitamins A, D, E, K Water soluble

Vitamins C, B

Electrolytes Calcium Chloride Magnesium Phosphorus Potassium Sodium

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2.08 Understand the functions and disorders of the digestive

systemEssential questions

What are the functions of the digestive system? How do the functions of chemical and physical digestion

interrelate? What are the common disorders of the digestive system? How are disorders of the digestive system treated? How do you relate the body’s use of nutrients to the

digestive system?

2.08 Understand the functions and disorders of the digestive system 34