Grade 4 Biology

What is the main function of digestive system?

• Breathing

• Seeing

• Breaking down food

• Moving

Where does digestion begin?

• Stomach
  
  
  

• Mouth

• Small intestine

• Large intestine

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

• Esophagus

• Trachea

• Bronchus

• Diaphragm

Which organ stores bile and helps in the digestion of fat?

• Stomach

• Liver

• Pancreas

• Small intestines

What is the role of small intestine in digestion?

• Absorbing nutrients

• Chewing food

• Storing food

• Breaking down proteins