The lungs, __________, and passageways make up the Respiratory System.
What is the throat.
The trachea is also called your _____________.
What is windpipe.
When you breathe, air is sucked in and out of your _______.
What are lungs.
Tiny hairs that protect the nasal passageway are called ________.
What is cilia.
Oxygen is used to create food into _________.
What is energy.
Your ________ is the primary passageway.
What is nose.
The trachea splits into two tubes called ________.
What is bronchi.
Breathing is done by your rib muscles and your _______________.
What is diaphragm.
_________ traps germs and dust in the nose.
What is mucus.
The left lung is slightly __________ than the right.
What is smaller.
Air is inhaled through your nose, but can also enter and leave through your ________.
What is mouth.
One bronchi goes to each lung and branches into thousands of tiny tubes called __________.
What are bronchioles.
________ (trouble breathing) can come back at any time.
What is asthma.
From your nose, air travels into the _________ (or throat).
What is pharynx.
Our ____________ makes your lungs stronger.
What is exercise.
Oxygen moves from the alveoli to the blood through the _______ (tiny blood vessels) lining the alveolar wall.
What are capillaries.
Bronchioles lead to tiny sacs called ____________.
What is alveoli.
When we breathe, the respiratory system delivers oxygen to the body and takes _________ _________ away.
What is carbon dioxide.
When you take a deep breath, your lungs are filling up with _______.
What is air.
Your ribcage _________ your lungs from damage.
What is protects.
The _________ (or voice box), contains vocal cords.
What is larnyx.
The flap that allows air to flow into your trachea and food to go down the esophagus is the __________.
What is epiglottis.
Oxygen diffuses inside cells, where it is used in an important chemical reaction known as __________ ____________.
What is cellular respiration.
When air enters through your nose it is _______ and ___________.
What is warmed and humidified.
Our brain temperature _______ when we are tired, causing us to yawn.
What is rises.