Process
When you breathe in, are you taking in oxygen or carbon dioxide?
Oxygen. You inhale oxygen, and exhale carbon dioxide.
The respiratory system allows you to _______
Breathe and talk.
These tiny hairs in your lungs filter out dirt from your system.
a. cilia
b. alveoli
c. capillaries
a. cilia
True or False: Unwanted dust is filtered better when air goes through the nose, instead of the mouth.
True! The nose has hairs (nose hairs) that filter out the dust.
Why is the left lung smaller than the right?
Because it needs to make room for the heart.
Breathing is an __________ action, meaning you don’t have to think to breathe
Involuntary
What are the tubes connecting to the lungs called?
a. breathing tubes
b. carrier tubes
c. bronchial tubes
c. bronchial tubes
True or False: The lungs pump blood to the rest of the body.
When you want to make a louder sound, do you...
a. let out more air
b. let out less air
a. let out more air
The _________ veins bring the oxygenated blood to the heart
The pulmonary veins
What's the fancy word for your windpipe?
a. larynx
b. trachea
c. sinus
b. trachea
True or false: The bronchi and bronchioles are in the trachea/windpipe.
False! They're branched out in the lungs.