1. The main respiratory organs located in the chest cavity
2. Cartilaginous structure that contians the vocal cords.
3. Microscopic blood vessels that enable the exchange of gases
4. Flap of cartilage that prevents food from entering the trachea.
5. Thin walled sacs in the lungs where exchange of gases takes place.
6. Two large tubes that branch off the trachea and carry air into the
7. The part that warms and moistens the air, traps dust and dirt in the
air.
8. Bony and cartilaginous structure that provide protection to the lungs
inhaled
and
to the
Tracheal
ede, beritaginous tube lined with mucus and Cilia that connects the larynx
Diaphragros
bronchi.
10. Main muscle used for breathing. It separates the chest cavity from the abdomal cavity

1.The lungs are the largest organs of the respiratory tract. They are suspended within the pleural cavity of the thorax. The lungs are surrounded by two thin membranes called pleura, which secrete a fluid that allows the lungs to move freely within the pleural cavity.

2.larynx

larynx Add to list Share. The larynx, or "voice box," is the cartilaginous structure at the top of the trachea, or "windpipe," which is in your throat. The larynx contains the vocal cords.

3.Capillaries, shown in Figures 4 and 5, are thin-walled blood vessels in which gas exchange occurs. In the capillary, the wall is only one cell layer thick.

4.Epiglottis

The epiglottis is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, or voice box. The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.

5.alveoli

Gas exchange in the lungs takes place across the thin walls of pulmonary arteries in tiny air sacs called alveoli. Oxygenated blood is transported by the circulatory system from lungs to tissues throughout the body. Gas exchange between blood and body cells occurs across the walls of peripheral capillaries

6.into left and right air tubes called bronchi (BRAHN-kye), which connect to the lungs. Within the lungs, the bronchi branch into smaller bronchi and even smaller tubes called bronchioles (BRAHN-kee-olz).

7.trachea

The trachea serves as passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles. The trachea is lined with a moist mucous-membrane layer composed of cells containing small hairlike projections called cilia

10.The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges

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