The Respiratory System

consists of organs and structures involved in breathing-taking in oxygen and releasing carbon dioxide

• cilia

• respiratory system

a tube-like part of the respiratory tract that connects the larynx with the bronchial parts of the lungs; also know as windpipe

• trachea

• larynx

a pair of organs located in the chest that take oxygen into the body and release carbon dioxide

• lungs

• bronchi/bronchioles

a dome shaped muscle at the bottom of the lungs that inflates the lungs; it is the main muscle used for breathing.

• diaphragm

• alveoli

the branches of air tubes within the lungs by which air passes through the nose or mouth to the alveoli

• nasal cavity

• bronchi/bronchioles

tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place

• inhale

• alveoli

the tube-shaped muscular organ in the neck, forming an air passage to the lungs and contains the vocal cords

• larynx

• trachea

a channel for airflow through the nose

• nasal cavity

• cilia

when air flows into the lungs

• inhale

• exhale

when air flows out of the lungs

• exhale

• inhale