What Do You Know About Your Lungs?

 Our respiratory system is one of the oldest and most important systems in the body. Without it, the body will not be able to generate enough energy to keep itself alive. How much do you know about your lungs and your breathing? Let's check it out!
True or False: You have two lungs and they are the same size
Your right lung is bigger because your heart takes up a lot of space on your left side. Both are divided into sections called lobes, and your right lung has three of these, while your left has two.
False, the left is bigger
False, the right is bigger
The respiratory system is made up of the trachea, the lungs, and the...
The lungs' first line of defense against toxins is...
The dirt we inhale gets caught up in mucus and these tiny hairs, called cilia, bring up the mucus so we can cough it out or swallow it and send it to the stomach instead of the lungs
Tiny hairs
White blood cells
Bone filters
You get asthma and bronchitis in your...
Both of these conditions make your airways swell and keep air from getting to your lungs. That can make it hard for you to breathe.
What is the name of the tiny air sacs in your lungs?
True or False: Breathing pure oxygen over time can help mend the body
Actually, breathing in pure oxygen can be dangerous and even lethal, as oxygen radicals harm the fats, protein and DNA in your body.
The voice box is also known as the...
Pneumoconiosis is a name we call a set of lung diseases that are caused by the inhalation and retention of...
COPD is a long-term illness that damages lungs and makes breathing difficult. What does COPD stand for?
Chest Obstructive Pneumonic Disorder
Chronic Obstructive Pulmonary Disease
Clinically Observed Pleural Damage
Chest Obstructive Pleural Disorder
How fast can a sneeze travel?
100 miles per hour (160 kph)
155 miles per hour (250 kph)
40 miles per hour (60 kph)
65 miles per hour (100 kph)
True or false: Men breathe faster than women
It is actually women who have a higher breathing rate than men
Which of the following is responsible for preventing food from entering the trachea?
During swallowing the larynx elevates, causing the epiglottis to fall on the glottis (opening into larynx) like a lid, closing it off - this prevents food from entering the windpipe (trachea).
Which of the following correctly describes the method of inhalation?
rib muscles and diaphragm contract, volume in chest cavity decreases, air pressure increases
rib muscles and diaphragm contract, volume of chest cavity increases, air pressure decreases
rib muscles and diaphragm relax, volume of chest cavity increases, air pressure decreases
You Have More to Learn
Unfortunately, you didn't do quite so well on this one. Learning about our respiratory system is something we'd recommend doing more of since this becomes more of a health risk as time goes by. How about reading a bit about it and trying again?
Not Bad!
You know quite a bit about the respiratory system it seems, and the organs it uses to keep us breathing. It's important that we know this system well in order to avoid lung diseases and risk factors, as well as identify problems as they pop up. You still could get a higher score if you wish to try again.
Most Excellent!
You've shown an excellent familiarity with the human respiratory system. We're delighted to hear this because it's such an important system and knowing all about it can really help you avoid lung diseases and risk factors as well as recognize problems as they pop up. Congratulations, you've really ACED THIS QUIZ!
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