Respiratory system pop quiz
what is the alveoli?
-Around are capillaries. Oxygen passes from the air into the blood by alveolar and capillary walls. More than 300 million are in both lungs.
what is pneumonia?
-inflammation of the microscopic air sacs, the alveoli, and the smallest airways, the bronchioles
what is the common cold?
-this viral infection is very common -200 different rhinovirus causes colds -spread in the fluid that floats through the air
what is influenza?
-usually called the flu -flu viruses are coded - some are found in animals. humans, or both
how many bronchi are there?
2
what are some ways to keep your respiratory system healthy?
Do not smoke Avoid breathing secondhand smoke Do not inhale harmful drugs Avoid breathing polluted air Exercise regularly Avoid inhaling harmful chemicals Seek medical help for respiratory infections
what is emphysema?
The alveoli become overstretched. They also rupture and merge so that their oxygen-absorbing surfaces are reduced.
what type of infection is influenza?
Viral
what type of infection is the common cold?
Viral
what is the epiglottis?
a cartilage flap that tilts over the entrance to the larynx when swallowing to prevent food, drinks, and saliva from entering the trachea
what is lung cancer?
a malignant tumor in the lungs. The most common type of cancer over 1 million new cases each year
what is the larynx?
a very short passage way attached to the epiglottis
what is the trachea made up of?
cartilage
what treatment can you do if you have lung cancer?
chemo, radiation therapy, or surgery
what does the epiglottis stop most of the time?
choking
what is the trachea?
connects the larynx to the lungs and is lined with the cilia
what is bronchitis
inflammation of the bronchi. Usually is a result of another upper respiratory infection, for example tonsillitis
what is asthma?
inflammatory lungs disease that causes recurrent attacks on breathlessness and wheezing -narrowed airways in the lungs
what does the bronchi continue to branch off into?
into smaller bronchioles which divide off into alveoli
What is special about asthma compared to other respiratory diseases?
it is not viral or a bacteria. It is a disease.
what 2 things channel air from outside the body through a system of tubes that reach the 2 lungs?
mouth and nose
what is the nasal cavity lined with?
mucous membranes that filter, moisten, and warm the incoming air
what filters the air we breathe?
nose hairs and mouth
what is the pharynx or the throat?
serves a dual purpose for both air and food
what can cause emphysema?
smoking
What is the lungs?
the main organ of the respiratory system that house the bronchi , bronchioles, and the alveoli
What is the Nasal Cavity?
the place where air enters through your nose
what is another name for the larynx?
the voice box
What is another name for the Trachea?
the windpipe
what is cilia?
tiny hair like structures that filters the air
what is 9/10 causes of lung cancer caused by?
tobacco smoke
what does it mean if an infection is viral?
when an antibiotic can't get rid of the virus but you can get rid of the symptoms with over the counter medicine
what happens in the alveoli?
where the exchange of oxygen and carbon dioxide take place
what is the bronchi?
where the trachea branches off
what happens in the process of respiration?
your respiratory system gets oxygen into your bloodstream and removes carbon dioxide
