Respiratory 1
The area in which air is taken in, warmed, moisturized, and filtered.
Nasal cavity
The large muscle that controls air flow into and out of the lungs
diaphragm
___________ surround our alveoli and allow gas exchange to occur between the respiratory and circulatory systems
capillaries
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Inflammation of the bronchial tubes causing people to cough up thick mucus
bronchitis
The part of the respiratory system that is connected to the nose and mouth and is shared with the digestive system.
Pharynx
As we exhale, the muscles in our diaphragm and along our rib cage do what?
The muscles relax
the diaphragm contracts during _____________
Inhalation
Muscles between the ribs involved in breathing
intercostal muscles
The percentage of oxygen in room air that we breathe?
21%
True or False: Diffusion of gases happens in the alveoli.
TRUE
The trachea is lined with rings of this flexible connective tissue. These rings help keep it sturdy and protected
Cartilage
What are the jobs of the respiratory system?
to deliver oxygen and remove carbon dioxide
Protective structure for the lungs
ribcage
The is the harmful growth of cells in the lungs causing turmor and damaging growths.
lung cancer
Commonly called the windpipe, this structure is strengthened by rings of cartilage.
trachea
What are the two tubes that lead from the bottom of the trachea to each lung?
The bronchi
The condition where a person's airways become inflamed and muscles tighten around the airways, which makes it harder to breathe
asthma
lungs
How does smoking affect the oxygen in our red blood cells?
carbon monoxide binds to hemoglobin making it hard for oxygen to get into cells
These air passages split from the windpipe at the bottom of the trachea and go into the lungs
bronchi
What are the smaller air passages that branch off each bronchi within the lungs?
Bronchioles
The movement of air in and out of the lungs is called?
breathing
what gas is exchanged from the capillaries to the alveoli?
carbon dioxide (CO2)
What is the hollow muscular organ forming an air passage to the lungs and holding the vocal chords?
larynx
tiny balloon-like sacs where gas exchange occurs
Alveoli
This is a flap that covers the windpipe and helps keep food and water from entering the lungs.
Epiglottis
List the correct order of air flow into the respiratory system. You should have at least 5 words listed.
mouth, oral cavity/nose, nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli
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What is the substance found in cigarettes that causes lung tissue to die?
Tar
The tube that connects your upper respiratory and lower respiratory systems
Trachea
Another name for the voice box is:
Larynx
DOUBLE JEOPARDY - Tiny hair like structures found inside the lungs that move microbes and debris (dirt) out of the lungs
cilia
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What are the structures at the end of the bronchioles that look like bunches of grapes, surrounded by capillaries? What takes place here?
alveoli, diffusion takes place there