basic digestive system

Food is chewed into smaller pieces and mixed with saliva here. What organ am I?

• mouth
• stomach
• small intestine 
• large intestine

Digested food is absorbed here into the bloodstream. What organ am I?

• mouth
• stomach
• small intestine 
• large intestine

1. What structures in the small intestine absorb the nutrients that result from the digestive process?

• Intestinal Muscles

• Intestinal Glands

• Duodenum

• Villi

The accessory digestive organs include all of the following, EXCEPT:

• Pancreas

• Tongue

• Liver

• Stomach

One of the three basic food types: needed for building and repair of tissue in the body. Found in beef, egg whites, nuts, and pork.

• Starch

• Sugar

• Fiber

• Protein

Select the correct order of the four steps of the digestive system (from start to finish):

• a. elimination, absorption, ingestions, digestion
• b. ingestion, absorption, digestion, elimination
• c. elimination, ingestion, absorption, digestion
• d. ingestion, digestion, absorption, elimination

Which of the following is an example of mechanical digestion?

• a. saliva breaking down starches in the mouth
• b. chewing food 
• c. bile breaking down lipids 
• d. A and C
  

Which of the following is an example of chemical digestion? 

• a. chewing food
• b. enzymes breaking down food into small molecules the body can use
• c. saliva breaking down starches in the mouth
• d. B and C

Tags

NGSS.MS-LS1-7

Which of the following describes the role of saliva in the digestive system:

• a. to moisten and lubricate chewed food so it can easily be swallowed
• b. to begin chemically digesting food with the enzyme amylase
  
• c. to absorb the proteins present in foods
• d. A and B

Upon leaving the small intestine, "food" enters the

• stomach

• large intestine

• rectum

• liver