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Respiratory System Respiration and Structures

Across
Where rapid exchange of carbon dioxide and oxygen occurs; inner surface is covered with surfactant
After air leaves the nasal cavity it enters here; also serves as a passageway for food
Covers the entrance to the larynx during swallowing
How the body supplies its cells with oxygen and rids them of carbon dioxide
Nerve endings that provide the sense of smell
This respiration is the exchange of carbon dioxide and oxygen between the cells and lymph surrounding them
Small hairs inside the nose that help trap and prevent particles from entering the nasal cavity
Composed of 15-20 rings of hyaline cartilage
The lungs are separated by this
This respiration is known as breathing or ventilation; exchange of oxygen and carbon dioxide between the lungs, body and environment
Covers the outer surface of the lungs and lines the inner surface of the rib cage
Down
Air enters the respiratory system here
This separates the nasal cavity into right and left chambers
Superior, middle and inferior are three of these bones
The lower end of the trachea separates into the right and left
Each lung is divided into these
Cavities of the skull
Voice box