Topic: NutritionAIM: How does the Human Digestive System

respond to a failure of homeostasis?

Homework: Castle learning Nutrition Review

Do Now: Explain this cartoon, relating to our current topic and

using scientific terms.

StomachStomach

HeartburnHeartburn

•Acid reflux is when stomach acid splashes up from the stomach into the esophagus

•Treatment•lifestyle changes (diet, less stress)•Over the counter or prescription meds

Ulcers

• Open sores on the lining of the stomach

• Due to the breakdown of mucus lining in that area

– As a result, stomach lining exposed to enzymes and HCl

• Can be treated

with medication

Large intestines Large intestines Disorder of the large intestines

Constipation• Feces moves too slow through the

digestive tract therefore, too much water is absorbed

• Results in difficulty egesting feces

• Treatment:

–Drink more water

–Eat more roughage

–Laxatives

Diarrhea • Too little water is absorbed in large

intestine

• Frequently caused by infections or stress

• Can lead to dehydration

• Treatment:

– If dehydration occurs

drink water

– Medication song

Appendicitis

Appendicitis• is an inflammation of the appendix, a 3

1/2-inch-long tube of tissue that extends from the large intestine

• medical emergency

– surgery to remove– If untreated It can burst

(perforate) spilling infectious

materials into the abdominal cavity

• Can be FATAL

Gall BladderGall Bladder

Gall stones

• Small hard particles made of cholesterol which form and collect in

the gall bladder• May block the bile

duct causing pain and discomfort

• Treated by surgical removal of the gall

bladder