Too much Chicken (Page 5)

A little boy and a little girl attended the same school and became friends.
Every day they would sit together to eat their lunch. They discovered that they both brought chicken sandwiches every day! This went on all through the fourth and fifth grades until one day he noticed that her sandwich wasn't a chicken sandwich. He said, hey, how come you're not eating chicken, don't you like it any more?" She said " I love  it but I have to stop eating it." "Why?" he asked. She pointed to her lap  and said "Cause I'm starting to grow little feathers down
there!"  "Let me see" he said. "Okay" and she pulled up her skirt. He looked and said, "That's right you are, better not eat any more chicken." He kept eating his chicken sandwiches until one day he brought peanut butter. He said to the little girl, "I have to stop eating chicken sandwiches, I'm starting to get feathers down there too!" She asked if she could look so he pulled down his pants for her. She said "Oh, my God, it's too late for you, you've already got the neck and     the gizzards."

Plz explain what is the meaning of the neck and the gizzard. i will really appreciate if u can use a diagram to expanciate. Thanks,
4rm ur Good student

him beat doctor wey go examine am