These amazing machines give your body all the oxygen it needs to live. You have two of them. One is slightly bigger than the other to make room for your heart.
What are your lungs?
100
A strong sheet-like muscle that is located at the bottom of your chest cavity. It helps you get air in and out of your lungs by moving up and down.
What is the diaphragm?
100
Respiration begins here. You breathe in oxygen and it travels down the throat to the trachea.
What are the mouth and nose?
100
Your left lung has _________ lobes and your right lung has _______ lobes.
What is two and three?
100
This condition occurs when the muscles of the bronchial tubes get tight and thick. The air passages become irritated and fill with mucous. It makes it difficult for air to move through the tubes, making it hard to breathe.
What is asthma?
200
A special flap of skin that covers the trachea. When you eat or drink this flap automatically closes, making sure that no food gets into your lungs.
What is the epiglottis?
200
This protects your lungs and heart. It is made up of 12 sets of ribs.
What is the rib cage?
200
This is also known as the windpipe. It brings oxygen into the bronchial tubes.
What is the trachea?
200
During inhalation, we take in ___________ from the air.
What is oxygen?
200
An inflammation of the lung caused by infection, bacteria, or virus. Fluid blocks the alveoli in your lungs making it harder for oxygen to enter the lungs and pass thru the blood.
What is pneumonia?
300
These two tubes are connected to the end of the trachea and lead to your two lungs.
What are the bronchial tubes?
300
Tiny tubes carrying blood that are located inside the alveoli.
What are capillaries?
300
From the trachea, air enters the bronchus or bronchial tubes. The air continues to be distributed throughout the lungs through these.
What are the bronchioles?
300
The waste product, ____________, is given off in the gas exchange between air and blood in the alveoli.
What is carbon dioxide?
300
A person who smokes cigarettes is at high risk of developing _____________?
What is cancer?
400
This tube lies behind your trachea and carries food to your stomach.
What is the esophagus?
400
Air is inhaled through the ___________, where it is filtered, warmed, and moistened.
What is the pharynx?
400
There are very tiny air sacs on the end of the bronchial tubes.They look like bunches of grapes. This is where the oxygen from the air enters your blood.
What are alveoli?
400
When the diaphragm contracts, it flattens. This allows...
What is forces the chest muscles to pull the ribs upward and outward, making the chest cavity expand, and allows the lungs to fill with air?
400
These are cancer causing agents or materials that are found in cigarettes, polluted air from cars or factories, and even household cleaners.
What are carcinogens?
500
Millions of tiny hairs that act like brooms to sweep out the bad stuff caught in the mucus inside your bronchial tubes.
What is cilia?
500
_______________, which produce the sounds of voices, are contained in the larynx.
What are vocal cords?
500
These are tiny tubes that carry blood and aid in the transferring of oxygen and carbon dioxide.
What are capillaries?
500
The air you breathe in is about _____ % oxygen.
What is 20?
500
Tar from smoking can clog up the cilia and kill them causing lots of dirt to stay in your lungs. This leads to infection and it prevents your lungs from getting enough oxygen. The resulting disease is called _____________.