Respiratory System Crossword Puzzle

The air-filled cavities that surround the nose
The inside part of your nose that is lined with a mucous membrane
The bony front part of the palate
The two openings in the nose through which air enters
This is divided into a vestibule and the oral cavity proper
A triangular-shaped space inferior to the pharynx that is responsible for voice production
The part of the larynx consisting of the vocal cords and the opening between them
Each of the pair of organs situated within the rib cage
The muscular passageway that extends from the nasal cavity to the mouth and connects to the esophagus
A flap of cartilaginous tissue that covers the opening to the trachea
The part of the alimentary canal that connects the throat to the stomach
The air tube that extends from the larynx into the thorax, where it splits into the right and left bronchi
The two passageways that branch off the trachea and lead to the right and left lungs
The largest cartilaginous plate in the larynx
The thin, double-walled serous membrane that surrounds the lungs
The thin-walled branches of the bronchi
A thin tubular structure that arises from respiratory bronchioles and gives rise to alveoli
Air sacs in the lungs from which gas is exchanged with the capillaries
The area of the thoracic cavity between the lungs
A spiral or or circular course around a circuit
Three uneven, scroll-like nasal bones that extend down through the nasal cavity
A substance which tends to reduce the surface tension of a liquid in which it is dissolved
Gas-exchange structure that contains the alveoli and the capillaries surrounding the alveoli
The fleshy, flexible part toward the back of the roof of the mouth
Small openings in the alveolar walls that allow gases and macrophages to travel between the alveoli