Wrinkles

What is the role of cartilage in the lower respiratory tract?

Deoxygenated air from the lungs passes back up through the trachea during exhalation. The cartilaginous rings support the tube of the trachea and prevent it from over-expanding or from collapsing, like when you suck on a straw too hard.

What does the cartilage do in the respiratory system?

In the trachea, or windpipe, there are tracheal rings, also known as tracheal cartilages. Cartilage is strong but flexible tissue. The tracheal cartilages help support the trachea while still allowing it to move and flex during breathing.

What is the purpose of the cartilage in the trachea?

A normal trachea (windpipe) has many rings made of cartilage (a strong and flexible tissue). These rings are C-shaped and support the trachea but also allow it to move and flex when your child breathes.

What is the lower respiratory tract made of?

The major passages and structures of the lower respiratory tract include the windpipe (trachea) and within the lungs, the bronchi, bronchioles, and alveoli.

Why is cartilage important in the structures of the respiratory system What structures do not have cartilage and why is this important?

The fibroelastic membrane allows the trachea to stretch and expand slightly during inhalation and exhalation, whereas the rings of cartilage provide structural support and prevent the trachea from collapsing.

What is the function of the cartilage present in the walls of the trachea and bronchi?

The rings of cartilage provide stability and help to prevent the trachea from collapsing and blocking off the airways. The trachea extends from the neck and divides into two main bronchi. Structurally similar to the trachea, the two primary bronchi are located inside the lungs.

What important role is played by the cartilage rings that reinforce the trachea?

What important role is played by the cartilage rings that reinforce the trachea? It prevents the airway from collapsing during pressure changes of breathing.

Is the pharynx part of the lower respiratory tract?

The respiratory tract is divided into two main parts: the upper respiratory tract, consisting of the nose, nasal cavity and the pharynx; and the lower respiratory tract, consisting of the larynx, trachea, bronchi and the lungs. The upper respiratory tract consists of the nose, the nasal cavity and the pharynx.