9 Questions
What is the process called by which living things breathe in oxygen and breathe out carbon dioxide?
Respiration
Which term refers to the action of taking in air through our nose into the lungs?
Inhalation
How are the lungs protected in the human body?
By a ribcage made up of bones
What happens to the lungs when we breathe in and out?
They expand during both inhalation and exhalation
Why should we try to always inhale through our nose?
To prevent dust from entering the lungs
When we take a bath in hot water, why do mirrors in the bathroom turn hazy?
Steam from hot water condenses on the mirror
Why is oxygen absorbed by the lungs important for the body?
To provide energy for essential body functions
What is the main purpose of the exchange of gases that occurs in the lungs?
To absorb oxygen and release carbon dioxide
Why do we breathe through our nose and not through our mouth?
To filter out impurities from the air
Test your knowledge on the process of breathing, inhalation, and exhalation. Learn about the importance of breathing and how the lungs are protected. Answer questions related to the role of oxygen in breaking down food into energy.
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