Home › CSEE (Form 4) › Biology › Animal Nutrition and the Digestive System › What happens to food inside a bird's gizzard?
What happens to food inside a bird's gizzard?
AIt is absorbed into the bloodstream
BIt is stored, soaked and ground down
CIt is mixed with bile from the liver
DIt has all its water removed from it
Answer & Solution
Correct answer: B. It is stored, soaked and ground down
1. The gizzard is the second of the two chambers of the bird stomach.
2. There the food is stored, soaked and mechanically ground.
3. That grinding replaces the chewing a toothed animal would have done.
4. Undigested material can form pellets that are sometimes regurgitated.
_Source: OpenStax Biology 1e (CC BY 4.0), Ch 34 "Animal Nutrition and the Digestive System", section Avian_
Related questions
Why must large food molecules be broken into smaller fragments?A cow and a human both eat, but only the cow thrives on grass alone. Why?What name is given to the building of DNA and other complex molecules from the diet?What happens to undigested material once it enters the colon?What is the final step of digestion?How is digestion defined?What exactly does ingestion mean?What is the first step in obtaining nutrition from food?