Across
- 2. Forms a major part of the upper airway and is comprised of both intrinsic and extrinsic muscles
- 6. Sits at the back of the throat, above the windpipe
- 7. One of the air-filled spaces in the body of a bird connected with the air passages of the lungs
Down
- 1. Vertebrates like amphibians absorb air through this body part
- 2. The airway, a tube made up of cartilage
- 3. Organs that allow fish to breathe underwater.
- 4. A thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest
- 5. The small external opening of a trachea (respiratory tube) or a book lung