it is a passageway for food moving from the oral cavity to the esophagus and for air passing between the nasal cavity and the larynx.

Your airways are a series of passages that air travels through to move to and from your lungs. Parts include your pharynx, larynx, trachea, bronchi and bronchioles.

Jan 8, 2026 · The tracheobronchial tree is a vital component of the human respiratory system, serving as the main passageway for air to travel from the external environment to the lungs.

Bronchioles are the finest conducting pathways within the respiratory system. These bronchioles are the last passageway for air before it reaches the alveoli, where it then is combined with blood that is first …

Nov 25, 2025 · The bronchi are the two large tubes that carry air from the windpipe (trachea) into the lungs and back out again. A crucial part of the respiratory system, the bronchi function primarily as …

Nov 19, 2025 · The trachea, bronchi and bronchioles form the tracheobronchial tree - a system of airways that allow passage of air into the lungs, where gas exchange occurs.

Beneath the larynx lies the trachea, a rigid tube composed of cartilage rings that provide structural support. The trachea branches into the left and right main bronchi, which further divide into smaller …

The bronchi branch into smaller and smaller passageways until they terminate in tiny air sacs called alveoli. The cartilage and mucous membrane of the primary bronchi are similar to that in the trachea.

Jul 22, 2025 · Below the larynx lie the lower airways, starting with the trachea, commonly known as the windpipe. This tube is supported by C-shaped rings of cartilage, which keep it open. The trachea …

The airways resemble an upside-down tree, which is why this part of the respiratory system is often called the bronchial tree. Large airways are held open by semiflexible, fibrous connective tissue …