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Birds
Question | Answer |
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An endothermic vertebrate that has feathers and a four-chambered heart, and lays eggs. | Bird |
A large feather that helps give shape to a bird's body. | Contour Feather |
A short, fluffy feather that traps heat and keeps a bird warm. | Down Feather |
A bird's internal storage pouch that allows it to store food inside its body after swallowing it. | Crop |
A muscular, thick-walled part of a bird's stomach that squeezes and grinds partially digested food. | Gizzard |
These have hallow bones, lightweight bills instead of teeth and wings for flight. | Birds |
These are the ONLY ANIMALS with FEATHERS. | Birds |
Flying uses a lot of energy so birds need a lot of this. | Oxygen |
Birds have many of these in additional to their lungs which help them hold more oxygen than any other animals breathing air. | Air Sacs |
This keeps birds oxygen righ blood separated from the oxygen poor blood. | Four-Chambered Heart |