Digestive System Quiz

What is the primary function of the digestive system?

• To convert food into smaller molecules for cell use

• To transport oxygen to the cells

• To produce hormones for growth

• To regulate body temperature

Tags

NGSS.MS-LS1-3

How many main organs are there in the digestive system?

• 5

• 6

• 7

• 8

Tags

NGSS.MS-LS1-7

Which enzyme in saliva breaks down carbohydrates?

• Pepsin

• Amylase

• Lipase

• Protease

Starch (complex carbohydrates) are broken down into what absorbable molecule?

• digestion

• protein

• glucose

• amino acids

Tags

NGSS.MS-LS1-7

What does the stomach produce to protect itself from gastric acid?

• Bile

• Mucus

• Insulin

• Glucose

What food molecule cannot be digested?

• glucose

• fiber

• amino acids

• fatty acids

How long is the small intestine approximately?

• 10 feet

• 15 feet

• 20 feet

• 25 feet

What are the finger-like projections in the small intestine called?

• Cilia

• Villi

• Alveoli

• Nephrons

What is the primary role of the large intestine?

• To break down proteins

• To absorb nutrients

• To synthesize enzymes

• To absorb water

Large protein molecules are broken down into what absorbable molecule?

• amino acids

• fatty acids

• starch acids

• glucose acids

Tags

NGSS.MS-LS1-7