Digestive System Test

What is a nutrient? Fill in the blank.

• A chemical substance in food that our body needs to help us grow, give us energy and perform life processes.

• A type of exercise that helps build muscles.

• A tool used for cooking food.

• A type of clothing worn during meals.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Fill in the blank: Digestion is how the body changes ______ into energy for the body to use.

• food

• water

• air

• light

Tags

NGSS.MS-LS1-7

The difference between mechanical and chemical digestion is:

• Mechanical digestion breaks down food physically, while chemical digestion breaks down food using enzymes.

• Mechanical digestion uses enzymes, while chemical digestion uses teeth and muscles.

• Both mechanical and chemical digestion use only physical processes.

• Mechanical digestion occurs in the stomach, while chemical digestion occurs only in the mouth.

Which parts help the digestive system but are not part of the digestive tract?

• Stomach and esophagus

• Liver and pancreas

• Small intestine and large intestine

• Mouth and pharynx

Which of the following is NOT a part of the digestive tract?

• Mouth

• Esophagus

• Liver

• Stomach

According to the passage, what is the first step in the digestive process?

• Food enters the stomach

• Food is broken down in the mouth

• Food moves through the esophagus

• Food is absorbed in the small intestine

What is the main function of the esophagus in the digestive process?

• To absorb nutrients

• To break down food with acids

• To move food from the mouth to the stomach

• To store food

Which of the following is NOT a job of the stomach according to the passage?

• Store the food you have eaten

• Churn food and break it down into smaller pieces

• Absorb most of the nutrients

• Move partially digested food to the small intestine

Tags

NGSS.MS-LS1-7

Most digestion takes place in the small intestine.

• True

• False

What helps the small intestine break down food further so the body can absorb nutrients?

• The liver, pancreas, and gall bladder help the small intestine break down food further.

• The heart and lungs help the small intestine break down food further.

• The kidneys and bladder help the small intestine break down food further.

• The bones and muscles help the small intestine break down food further.