Parts of respiratory system
The smallest air passageways
Bronchioles
What is the function of Alveol?
To move the inhaled air to the blood, and to absorb carbon dioxide
The substance which carries carbon dioxide out of our bodies
Blood
These parts of the system take in the air
Mouth and nose
The act of taking air into our lungs
Inhalation
The first step in the breathing process
Inhalation through the nose or mouth
The air passage from the throat to the lungs
Windpipe/trachea
The gas we expel from our bodies when we exhale
Carbon dioxide
As the bronchial tubes pass through the lungs, they divide into.....
Smaller air passages
The tiny air sacs in lungs
Alveoli
What is the function of the diaphragm?
It is the respiratory muscle that contracts and relaxes to allow air into the lungs
How many alveoli do our bodies have
About 600 million
The part of the throat behind the mouth and nasal cavity
Pharynx
How do bronchi contribute to the respiratory system?
They create the network of intricate passages that supply the lungs with air
What are the blood vessels that transport inhaled air into the blood
Capillaries