This is where air first enters your body.
Answer: What is the nose?
Breathing in is called this.
Answer: What is inhaling?
This gas gives your body energy.
Answer: What is oxygen?
Smoking can damage this organ.
Answer: What are the lungs?
You breathe about this many times per minute.
Answer: What is 12 to 20 times?
These are the two main organs that help you breathe.
Answer: What are the lungs?
Breathing out is called this.
Answer: What is exhaling?
This waste gas leaves your body when you breathe out.
Answer: What is carbon dioxide?
This sickness makes it hard to breathe and causes wheezing.
Answer: What is asthma?
This organ controls your breathing without you thinking.
Answer: What is the brain?
This tube carries air from your throat to your lungs.
Answer: What is the trachea?
This muscle moves down when you inhale.
Answer: What is the diaphragm?
Gas exchange happens in this tiny part of the lungs.
Answer: What are alveoli?
Tiny hairs in your nose help do this to the air.
What is filter it?
Sneezing helps clear this from your nose.
Answer: What is dust or germs?
These small air tubes branch inside the lungs.
Answer: What are bronchi?
Oxygen moves from the lungs into this part of the body.
Answer: What is the blood?
Oxygen travels to the body through this liquid.
Answer: What is blood?
Wearing this helps protect your lungs from germs.
Answer: What is a mask?
Laughing and coughing both use this system.
Answer: What is the respiratory system?
These tiny air sacs exchange oxygen and carbon dioxide.
Answer: What are alveoli?
Carbon dioxide leaves the body when you do this.
Answer: What is exhale?
This process moves oxygen into the blood and CO₂ out.
Answer: What is gas exchange?
This habit keeps your lungs healthy and strong.
What Is exercise
Your lungs work with this system to move oxygen around.
Answer: What is the circulatory system?