Digestive and Respiratory Systems Quiz

Where does digestion begin?

• Stomach

• Mouth

• Small intestine

• Esophagus

What is the tube that connects the mouth to the stomach?

• Trachea

• Esophagus

• Intestine

• Liver

Which organ produces bile to help digest fats?

• Pancreas

• Liver

• Stomach

• Gallbladder

Where are most nutrients absorbed?

• Stomach

• Large intestine

• Small intestine

• Mouth

What is the main function of the large intestine?

• Absorb nutrients

• Store bile

• Absorb water and form feces

• Digest proteins

Which organ stores bile produced by the liver?

• Pancreas

• Gallbladder

• Stomach

• Esophagus

What is the role of the pancreas in digestion?

• Absorb nutrients

• Produce saliva

• Produce digestive enzymes

• Store waste

What is the main function of the respiratory system?

• Pump blood

• Break down food

• Exchange oxygen and carbon dioxide

• Produce hormones

What is the tube that carries air from the throat to the lungs?

• Esophagus

• Trachea

• Bronchi

• Diaphragm

What are the small air sacs in the lungs where gas exchange occurs?

• Bronchi

• Alveoli

• Capillaries

• Cilia