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10. The __ __ __ __ __ __ divides the lower portion of the heart into 2 separate ventricles. - page 1 / 3

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BIRD CROSSWORD PUZZLE

ACROSS

1.

In birds the eggs pass from the oviducts into a multipurpose cavity            called the __ __ __ __ __ __ before leaving the body.

2.

Energy for migration comes from stored __ __ __.

3.

1st chamber of the stomach where acid and enzymes digest food

         __ __ __ __ __ __ __ __ __ __ __ __ __ __

4.

Birds __ __ __ __ __ __ __ __ (find their way) by the position of the sun and stars, geographical landmarks, and the Earth’s magnetic field.

5.

Birds are __ __ __ __ __ __ __ __ __ __ __ because they make their own body heat.

6.

The __ __ __ __ __    __ __ __ __ __ __ __ __ __ is made up of the ileum & duodenum.

7.

Enlargement in the esophagus where food is stored and moistened= __ __ __ __

8.

Birds that lay many eggs and incubate them for long periods hatch     __ __ __ __ __ __ __ __ __ young that can walk and get food as soon as they hatch.

9.

Instead of teeth birds have a __ __ __ __.

10.  The __ __ __ __ __ __ divides the lower portion of the heart into             2 separate ventricles.

11.

 Unlike reptiles and amphibians, a bird heart has __ __ __ __chambers.

12.

 Birds exhibit more higher thinking skills than amphibians or reptiles, such as nest building, mating rituals, navigation, and caring for their young so this part of their brain is larger.  __ __ __ __ __ __ __ __

13.

Birds straighten their feathers and rub them with oil from their__ __ __ __ __ gland.

14.

 All body systems in birds have modifications to help them __ __ __.

15.

 Birds incubate their eggs by sitting on them & covering them with a featherless          patch of skin on the abdomen called a __ __ __ __ __   __ __ __ __ __

16.

 Bird bones are lighter because they are __ __ __ __ __ __ inside.

17.

 The terminal fused vertebrae that support the tail feathers is called the

           __ __ __ __ __ __ __ __ __.

18.

__ __ __ __ __ __ __ __ __ young are hatched naked, blind, and helpless.

19.

The breastbone to which flight muscles are attached= __ __ __ __ __ __ __

20.

Birds have __ __ __    __ __ __ __ attached to their lungs to store air and

       keep oxygenated air in their lungs even when they exhale.

21.

Bile is made in the liver and stored in the __ __ __ __bladder.

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