Digestion Unit Review

Digestion begins here

• Mouth

• Large Intestine

• Stomach

• Small Intestine

Chewing food with teeth is an example of

• Physical digestion

• Chemical Digestion

Water is added to waste products in the large intestine or colon

• True

• False

The enzyme “amylase” found in saliva (spit) chemically changes carbohydrates into

• Fatty Acids

• Amino Acids

• Simple Sugars

• Proteins

The stomach squeezes and churns (mixes) food, this is

• Chemical Digestion

• Physical Digestion

“Peristalsis” is wave-like contractions of smooth muscle along the entire digestive tract from the esophagus to the anus. This involuntary action squeezes food. Therefore this is an example of:

• Physical Digestion

• Chemical Digestion

The esophagus leads to the

• Stomach

• Intestines

• Liver

• Pancreas

During its journey through the digestive tract, at some point food enters the…

• Liver

• Pancreas

• Gallbladder

• Duodenum

Acids and enzymes are used in

• Physical Digestion

• Chemical Digestion

First section of the small intestine is

• Jejunum

• Ileium

• Duoenum

• Rectum