Checkpoint: what a body does with food

Which step moves simple food into the blood?

• Absorption
• Egestion
• Digestion

Where does most digested food pass into the blood?

• The small intestine
• The food pipe
• The stomach

Chewed rice gives only a light colour with iodine. Why?

• Saliva broke the starch into sugar
• Chewing added more starch to the rice
• Iodine does not work on rice

What is rumination?

• Food comes back to the mouth to be chewed again
• Swallowing small stones with the food
• Eating a small meal two times a day

A bird has no teeth. What breaks up its food?

• The food pipe
• The large intestine
• The gizzard