True or False
Oxygen is a gas
True
The only externally visible part of the respiratory system?
The mouth or nose
What is the main function of the respiratory system?
to provide oxygen to the body.
When you inhale, your lungs:
Inflate
Your body couldn’t breathe without this system. Which one is it?
The Respiratory System
The epiglottis is a flap of tissue that covers the opening to the windpipe during swallowing?
True
The organ that is also known as the windpipe?
Trachea
nose and mouth
How does the body get rid of carbon dioxide?
Exhale
A spongy organ in your chest that sits inside your ribcage
Food and liquids go down the trachea
false
The air tubes in your lungs branch off into smaller, narrower tubes called?
Bronchi
As you breathe, this contracts and flattens to give your lungs room to fill up with air:
Diaphragm
What carries oxygen and carbon dioxide though the body?
In which organ does gas exchange take place?
Alveoli
Carbon Dioxide is harmful to your body
true
The tiny hairs that keep mucus and dirt out of your lungs are called:
Cilia
What is the function of the bronchi?
the entrance way to transport air from trachea to lungs
What is the name of the passages that enables air to pass into the Alveoli?
Bronchioles
Receives air from the nasal cavity and passes to the trachea
Pharynx
The process of inhalation or inspiration takes place as the diaphragm contracts, flattens and the chest cavity enlarges.
True
The voice box is also known as the:
Larynx
What is the second job of the respiratory system?
Getting rid of carbon dioxide from your body through exhalation
The three things your body needs to stay alive are:
nutrients, water and oxygen
Helps to protect the organs in the chest from damage:
The ribcage