MCQs (1–30)

Why does your body need food?

• To breathe

• To grow and get energy

• To sleep

• To digest

The process of breaking down food into tiny particles is called:

• Circulation

• Respiration

• Digestion

• Absorption

Which organs are the main parts of the digestive system?

• Heart and lungs

• Stomach and small intestine

• Mouth and nose

• Brain and spinal cord

Where does food first start getting digested?

• Mouth

• Stomach

• Small intestine

• Large intestine

Digested food particles pass into the:

• Muscles

• Blood

• Kidneys

• Lungs

Which organ absorbs water from undigested food?

• Stomach

• Small intestine

• Large intestine

• Mouth

The large intestine also absorbs:

• Air

• Substances back into the blood

• Oxygen

• Food particles

The energy from food is used mainly for:

• Growth and work

• Only sleeping

• Only thinking

• Only digestion

The passage of digested food into the blood is called:

• Excretion

• Absorption

• Circulation

Which of these is NOT a part of digestion?

• Mouth

• Stomach

• Small intestine

• Heart