Vocab1
respiratory system
the organs which make it possible for you to breathe
What is the primary purpose of the respiratory system?
To bring oxygen to the lungs and remove any unnecessary gases.
How does the respiratory system bring in oxygen?
Through the mouth or nose.
Why do birds need a tremendous amount of oxygen?
To gain energy for flight.
What are two components of respiratory system that do not have anything to do with breathing?
Mouth and nose.
deflate
to let the air out of something
What will happen to mammals if there is no oxygen?
They could not breathe, move or turn food into energy.
What happens when air is breathed in?
It passes through the back of the nose where dust and gases are filtered.
What’s the difference between the respiratory system of birds and mammals?
Unlike mammals, the lungs of birds do not inflate or deflate as they breathe in and out.
What does the mouth do?
It takes in food and liquids.
air sac
a space filled with air that continues from a bird’s lungs into one of its bones or another body area, used in breathing
How essential is oxygen?
All animals need oxygen to live.
What happens when you breathe out?
Carbon dioxide is released.
What are the air sacs of birds like?
They are like air bags in cars.
Where does food get digested?
In the stomach.
blood vessel
any of the tubes through which blood flows in the body
How do human breathe?
Through their mouth or nose.
How do plants breathe?
They breathe out oxygen and breathe in carbon dioxide.
What are air sacs for?
Ventilating air, leaving birds’ lungs full of air at all times.
What is the function of the respiratory system?
Direct oxygen, liquids and food to the proper location in a human body.
choke
to stop breathing because of a block in the air passage in the throat
What is the windpipe?
The passage way that goes from the mouth of a mammal to its lungs for breathing.
Why are plants so important to our environment?
They breathe in the harmful carbon dioxide that other mammals breathe out.
How does oxygen circulate through the body in birds?
Through small blood vessels.
What is compared to a traffic policeman directing cars during rush hour?
The respiratory system directing oxygen, liquids and food to the proper location a human body.