1. Digestive System Biology 11 Ms. Lowrie
Diseases & Disorders
Digestive System
Biology 11
Ms. Lowrie

2. Irritable Bowel Syndrome (IBS)
Make a Table
Disorder
Description
Cause
Symptoms
Treatment
Heartburn
Ulcer
Hiatus Hernia
Irritable Bowel Syndrome (IBS)
Hemorrhoids

3. Heartburn Stomach acid backs up into esophagus Cause: Symptoms:
Malfunction of sphincter at stomach top
Symptoms:
Burning sensation in chest/throat
Treatment:
Medication/antacids

4. Heartburn

5. Ulcer Open wound in stomach (or upper small intestine) Cause:
Bacterial infection
Helicobacter pylori
Symptoms:
Stomach pain
Treatment:
Antibiotics

6. Hiatus Hernia Portion of upper stomach slips into chest Cause:
Large opening in diaphragm
Symptoms:
Often asymptomatic
Heartburn &/or pain
Treatment:
Surgery

7. Hiatus Hernia

8. Irritable Bowel Syndrome (IBS)
Chronic disruption of small & large intestine function
Cause:
Unknown
Triggers:
Stress
Certain foods, medication, hormones
Symptoms:
Intestinal gas/ bloating/cramps
Constipation &/or diarrhea
Treatment:
Diet high in fibre
Medication

9. Irritable Bowel Syndrome (IBS)

10. Hemorrhoids Varicose veins in rectum/anus Cause: Symptoms: Treatment:
Constipation &/or diarrhea
Low-fibre diet
Prolonged sitting
Symptoms:
Bleeding from anus
Pain &/or itching
Treatment:
Adding fibre to diet
Surgery
Cream
Medication

11. Hemorrhoids

12. Any Questions???