The tube that carries air from the nose and mouth to the lungs.
What is the trachea (windpipe)?
: Breathing air into the lungs.
What is inhale (inspiration)?
The tiny air sacs in the lungs where oxygen enters the blood.
What are alveoli?
This condition makes the airways swell and tighten, causing wheezing and coughing.
What is asthma?
The main job of the respiratory system.
What is bringing in oxygen and removing carbon dioxide?
These two organs fill with air when you breathe.
What are the lungs?
Breathing air out of the lungs.
What is exhale (expiration)?
The waste gas that leaves the body when we exhale.
What is carbon dioxide (CO₂)?
This happens when the body reacts strongly to pollen, dust, or pet dander.
What are allergies?
The windpipe’s real name.
What is the trachea?
: The muscle under the lungs that moves up and down to help breathing.
What is the diaphragm?
: When you inhale, does the diaphragm move up or down?
Down
The gas that gives our cells energy when we breathe it in.
What is oxygen (O₂)?
The harmful gas we exhale.
What is carbon dioxide?
The gas we breathe in.
What is oxygen?
These two tubes branch from the trachea into the lungs.
What are the bronchi?
When you exhale, does the diaphragm move up or down?
Up
What is the name for oxygen moving into the blood and carbon dioxide leaving the blood?
What is gas exchange?
: One healthy habit that keeps the respiratory system strong.
What is exercise / not smoking / avoiding pollution (accept any)
The gas we breathe out.
What is carbon dioxide?
The two main entryways where air comes into the respiratory system.
What are the nose and mouth?
When you inhale, does your chest expand or get smaller?
Expand
This system works with the respiratory system to carry oxygen throughout the body.
What is the circulatory system?
Dirty air, smoke, or chemicals that can damage the lungs.
What is pollution?
: The muscle under the lungs that helps us breathe.
What is the diaphragm?