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Respiratory System Terminology Crossword Puzzle

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Respiratory System Terminology

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                20       21                    
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Across Down
3 Windpipe
7 A lower-than-normal concentration of oxygen in arterial blood, as opposed to anoxia, a complete lack of blood oxygen
10 Air filled spaces located within the maxillary, frontal, ethmoid, and sphenoid bones of the skull and opening into the nasal cavity
11 Soft, spongy, coned shaped organs in the throacic cavity
12 Forms part of the mediastinum and lines the inner wall pf the thoracic cavity
13 The branch in which arises from the trachea at the level of the fifth thoracic vertebra
14 Consists of branched airways leading from the trachea to the microscopic air sacs in the lungs
16 A fluid secreted by the cells of the alveoli that serves to reduce the surface tension of pulmonary fluids
17 Thin-walled outpouchings
18 A hemoglobin molecule that has bound an oxygen atom
19 very thin tubes
22 A layer of serous membrane that firmly attaches to each lung surface
1 Breathing in
2 Smaller tubes off of the branches
4 The entire process of gas exchange between the atmosphere ad the cells
5 Allows air to enter the larynx
6 An opening between the vocal cords
8 Bones that curl out from the lateral walls of the nasal cavity on each side
9 Compound formed by the union of carbon dioxide and hemoglobin
15 An enlargement in the airway at the top of the trachea and below the pharynx
20 A hollow space behind the nose
21 Oxygen carrying pigment in red blood cells
23 Expulsion of air from the lungs
24 The throat
25 small microscopic air sacs
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