The Respiratory System

Front

What are the tubes that move air from the trachea to the lungs called?

Back

Bronchi

Front

What do we call the two branches that the trachea splits into?

Back

Bronchi

Front

Which area of the body warms, moisturizes, and filters air before it reaches the lungs?

Back

Nasal cavity

Front

What supports the trachea and prevents it from collapsing?

Back

Rings of cartilage

Front

What organ of the respiratory system is responsible for gas exchange?

Back

Lungs

Front

What is the main function of the diaphragm in the respiratory system?

Back

To help with breathing by contracting and relaxing to change the volume of the thoracic cavity.

Front

What is the role of the larynx in the respiratory system?

Back

It acts as a voice box and helps protect the trachea against food aspiration.

Front

What is the function of alveoli in the lungs?

Back

They are tiny air sacs where gas exchange occurs.

Front

What is the pathway of air from the nose to the lungs?

Back

Nose -> Nasal cavity -> Pharynx -> Larynx -> Trachea -> Bronchi -> Lungs.

Front

What is the purpose of the respiratory system?

Back

To supply the body with oxygen and remove carbon dioxide.