By: Victoria Velazquez

Nasal Cavity

A large air filled space above and behind the nose.


After you swallow the food enters a tube like passageway for food, air,and liquids.


The airway in which two pairs of horizontal folds of tissue( vocal cords) are attached.


From the larynx, air flows into the trachea which is lined with mucus membrane and cilia.


air is carried into your lungs by shorter tubes at the end if the trachea, which then branch out into smaller tubes in the lungs.


These are thin walled sacs at the end of each bronchiole.


Masses of alveoli arranged in grape bunch like clusters in which capillaries surround the alveoli like nets.


Contracts and relaxes to change the volume of the chest, allows gases to move into and out of your lungs.

Lung Cancer and Asthma

Inhaling the tar in cigarette smoke is the greatest way to develop lung cancer.

An allergic reaction to foreign substances are one of the causes of asthma attacks.


Bacteria, viruses, and some microorganisms could cause respiratory infections. These infections could harm any organ in the respiratory system


Bronchial tubes get irritated and start to swell while too much mucus is produced.


When alveoli are reddened and swollen, and an enzyme is released to break down the walls of the alveoli.

Oxygen Carbon Dioxide

When you inhale oxygen is brought to your lungs to be transported throughout the blood, through your circulatory system. Carbon Dioxide along with water particles are rushed to your lungs to be exhaled.