Metabolic Reactions

What is the function of the esophagus?

• To break down proteins

• To absorb nutrients

• To connect the throat to the stomach

• To produce saliva

Which organ is responsible for breaking down and partially digesting food?

• Esophagus

• Stomach

• Large intestine

• Small intestine

What is the main role of the small intestine?

• To absorb most nutrients

• To absorb water

• To produce enzymes

• To secrete saliva

Which nutrient is essential for growth and repair of the body?

• Fiber

• Protein

• Glucose

• Fatty acids

What is the main source of energy for the body?

• Fiber

• Villi

• Glucose

• Amino acids

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the function of fiber in the diet?

• To help keep the digestive system healthy

• To provide energy

• To build proteins

• To break down fats

What is the role of amylase?

• To break down proteins

• To absorb nutrients

• To break down carbohydrates

• To secrete saliva

What is the function of villi in the small intestine?

• To secrete hormones

• To break down food

• To absorb nutrients

• To produce enzymes

Tags

NGSS.MS-LS1-7

What is the process by which food is broken down into nutrients?

• Absorption

• Digestion

• Secretion

• Respiration

What is the role of enzymes in the body?

• To speed up chemical reactions

• To produce energy

• To slow down chemical reactions

• To absorb nutrients

Tags

NGSS.MS-LS1-7