DIGESTIVE SYSTEM

QUICK CHECK

My Notes following pg. 57
Answer these questions
Work individually or with a partner- your choice

DON'T FORGET TO TITLE: DIGESTIVE SYSTEM

Question 1: what is the function of the digestive system?
Question 2: describe the two types of digestion.
Question 3: define enzyme

Review
Question 1: what is the function of the digestive system?
Answer: breaks down food into useable nutrients
# 6 pg. 48

Review
Question 2: describe the two types of digestion.
Answer:
mechanical- breaking, crushing, and mashing of food. Example: chewing

Review
Question 2: describe the two types of digestion.
Answer:
Chemical- process where larger molecules of food are broken down into smaller molecules so they can pass into the bloodstream. Example: sugars

Review
Question 3: define enzyme
Answer: chemical body uses to break down the larger molecules. Act like scissors- cut up larger molecules.
#7 pg. 49

4. Process Notes
On MyNotes create a two column chart

Process Notes
Identify what happens to food during the process of digestion.
In the left column, write the name of each organ in the correct order

Process Notes
Write what happens to food in that organ in the right column

5. Identify the function of the pancreas
6. Identify the function of the liver

REVIEW- PROCESS NOTES

• Mouth- breaks & crushes food. Breaks down starches in food
• Esophagus- moves food to the stomach
• Stomach- crushes food. Acids & enzymes- kill bacteria & break down proteins
• Small intestine- most nutrients are absorbed
• Large intestine- water and nutrients are absorbed, compacts and stores waste.

Choking
Person eats, a flap of skin called the epiglottis covers the trachea to prevent food from entering. Choking occurs if this flap functions improperly and enters the trachea

Pair- Share
Sometimes peristalsis works in reverse, moving food upward through the esophagus. What do you think happens during reverse peristalsis?

5. Function of pancreas- makes fluid to break down all materials in foods.
6. Function of liver- makes bile, which breaks up larger fats into smaller fats. Bile is stored in the gallbladder