Organs
The main organs of the breathing system.
What are the lungs
The vital gas that we need to survive
What is oxygen.
The most abundant gas in air
what is nitrogen
What is breathing
This organ has hairs and mucus
What is the nose
The organs responsible for gas exchange with the blood.
what are the alveoli
The blood vessels that surround the alveoli
What are capillaries
Carbon dioxide reacts with this to turn it milky
What is limewater
Protect the lungs
What are the ribs
The muscles that sit between the ribs
What are the intercostal muscles
Splits into two at the base of the trachea
What is the bronchus
Blood with a higher concentration of Carbon Dioxide
What is deoxygenated blood.
The percentage of oxygen in inhaled air
What is 21%
The movement of O2, CO2 and H2O in and out of the blood stream
What is gas exchange
The part of the trachea that makes sound (Medical name)
What is the larynx
The sheet of muscle that draws air into the lungs
What is the diaphragm
Blood with a higher concentration of oxygen
What is oxygenated blood
The amount of this can vary due to factors like weather
What is water vapour
Covers the airway during swallowing
What is the epiglottis
Where the oxygen goes after gas exchange in the alveoli
C-Shaped rings of cartilage
What is the trachea
The process that creates energy from food. Uses oxygen and forms carbon dioxide.
What is respiration.
The greater amount of carbon dioxide in this air.
What is exhaled air
Movement of molecules from area of high concentration to an area of low concentration.
What is diffusion
The four functions of the alveoli to enable gas exchange
What are moist, large amount, one cell thick, surrounded by capillaries