It's job is to help pump the carbon dioxide out of the lungs and pull the oxygen into the lungs. It's a sheet of muscles that lies across the bottom of the chest cavity.
100
Is the circulatory system connected to the respiratory system. If so, how?
Yes.
The circulatory system pumps blood into the lungs so they can pick up oxygen.
100
Does a 30 year old take in the same ammount of oxygen as an 80 year old?
People under 30 years of age take in double the amount of oxygen compared to an 80 year old.
200
It's job is to help pump the carbon dioxide out of the lungs and pull the oxygen into the lungs.
What is the Diaphragm
200
The Lungs
The main organ of the respiratory system. Oxygen is taken in and carbon dioxide is breathed out.
200
What causes a hiccup?
An involuntary spasm of the diaphragm and respiratory organs.
200
What is a yawn?
Yawning happens when the brain detects low oxygen levels in lungs and it triggers back the response to the body, so that it can intake large amounts of oxygen.
300
The organ where air is inhaled and exhaled
What is the Nose
300
The Bronchi
Two air tubes that branch off of the trachea.
300
Every minute we breathe, we take in __ pints of air
13 pints! That means we breathe about 6.15 liters of air every minute.
300
What are nose hairs for?
Hairs in the nose help to clean the air we breathe as well as warming it.
400
This is the windpipe. It filters the air we breathe and branches into the bronchi.
What is the Trachea
400
The Mouth and Nose
Two places where air is inhaled and exhaled.
400
How many times do we breathe every minute?
We breathe about 9 to 20 times every minute
400
What do people compare the surface area to?
The surface area of the lungs is roughly the same size as a tennis court.
500
Two air tubes that branch off of the trachea and carry air directly into the lungs
What is Bronchi
500
Trachea
The windpipe of the respiratory system.
500
Are your lungs the same size? If not, which is bigger?
No! The right lung is slightly larger than the left!
500
How many times does a person resting breathe?
A person at rest usually breathes between 12 and 15 times a minute.