- The smallest respiratory bronchioles subdivide into thin airways called alveolar ______.
- True or false: Main bronchi would have less cartilage than tertiary bronchi.
- The ______ primary bronchus enters the lung more vertically and is wider and shorter than the other one.
- The most inferior tracheal cartilage separates the primary bronchi and forms an internal ridge called the ______.
- The ______ is also known as the 'windpipe".
- The smallest bronchioles contain no cartilage.
- There are 15-20 C-shaped ______ cartilages that support the anterior and lateral walls of the trachea.
- The alveoli have thin walls specialized to promote diffusion of gases between the alveolus and the ______.
- The distal end of the alveolar duct terminates as a dilated alveolar ______.
- The ______ is a highly branched system of air conducting passages that originates from the left and right primary bronchi and progressively branches into narrower tubes ending in terminal bronchioles.
- Superior to the larynx is the laryngopharynx. Inferior to the larynx is the ______.
- The trachea is lined with ______ which will propel mucus laden particles toward the pharynx where they can be swallowed.
- Bronchodilation results when the smooth muscle of the bronchioles ______.
- The predominant cell of the alveolar wall is the ______.
- The terminal bronchioles conduct air into the ______ bronchioles.
- The V-shaped anterior projection of the thyroid cartilage is commonly called the ______ in males.
- The inferior region of the pharynx is called the ______.
- The conducting airways of the lower respiratory tract include which of the following?
- The posterior sides of the tracheal C-shaped pieces of cartilage are bound together by the ______.
- The ______ is a common respiratory and digestive pathway through which both air and swallowed food and drink pass.