The digestive system of most birds includes a structure called the gizzard. The
gizzard crushes and grinds food, often with the help of small stones that the bird
has swallowed.
Which of the following structures in the human digestive system has a function most
similar to that of a bird's gizzard?
F esophagus
G large intestine
H small intestine
J teeth

The digestive system of most birds includes a structure called the gizzard The gizzard crushes and grinds food often with the help of small stones that the bird class=