Respiratory System

Front

A system of specific organs and structures that provide oxygen to the cells of the body and remove carbon dioxide from the cells.

Back

Respiratory System

Front

Two Processes of the Respiratory System

Back

Breathing

Respiration

Front

The physical process of inhaling and exhaling air into and out of the lungs.

Back

Breathing

Front

A chemical process that involves the movement of oxygen from the environment to the cells within the body as well as the transport of carbon dioxide from the body to the environment.

Back

Respiration

Front

Two Main Parts of the Respiratory System

Back

Upper Respiratory Tract

Lower Respiratory Tract

Front

Organs in the upper respiratory tract

Back

Nose and nasal cavities

Pharynx

Larynx

Front

Organs in the lower respiratory tract

Back

Trachea

Bronchi

Bronchioles

Lungs

Front

This filters and moistens incoming air.

Back

Nose

Front

This serves as the passageway of air as it moves toward the lungs.

Back

Pharynx

Front

This is responsible for breathing and sound production. It contains the epiglottis, which is the part that prevents food from entering the tract that goes into the lungs.

Back

Larynx or voice box