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What is the function of the epiglottis?
It prevents choking while swallowing, and prevents food from entering the trachea (windpipe).
What reflex kicks in if your epiglottis reflex malfunctions?
Coughing Reflex.
What is the inflammation of the pleural membrane called?
Pleurisy.
An asthma attack involves the contraction of the ___________
Bronchi.
What are the tiny air sacs in the lungs called?
Alveoli.
What is the main function of the Respiratory System?
Moves fresh air into the body while removing waste gases.
How many cell(s) thick are the walls of the Alveoli?
1 cell thick.
What is the pleural membrane?
The lining of the lungs.
In inhalation, what does the diaphragm do?
Contracts and flattens.
True or False?
The Bends is a tumor that forms in the bronchi or the alveoli – blocks air passage and spreads very easily due to the high blood flow through the area.
False.
What is the most common gas in the atmosphere?
Nitrogen
Why is it bad to pluck out nose hairs?
Nos hairs help prevent invaders like dust from getting into the lungs.
Gases always move from areas of ___________ pressure, to areas of ______________ pressure.
1. High
2. Low
What is the nasal cavity?
Air filled space above and behind the nose in the middle of the face.
Alveoli are lined with surfactants.
True.
Describe the Bronchial Tree.
Trachea- Trunk
Bronchus- Branches off trachea
Bronchioles- Smaller branches
Alveoli- Leaves
The voice box, also known as the __________ contains two ligaments called the __________ ________. When these are more relaxed, a __________ sound is produced.
1. Larynx
2. Vocal
3. Cords
4. Deeper/Lower
What is the function of the pleural membranes?
They reduce friction between the lungs and the inside of the chest wall during breathing.
Carbonic acid dissociates into ___________ and ______________ ions.
1. Hydrogen
2. Bicarbonate
What percent of carbon dioxide does Hemoglobin transport?
10%
What is the genetic condition that makes mucus thick and sticky and traps pathogens?
Cystic Fibrosis.
What muscles cause the chest to expand and inspire air?
Diaphragm and Intercostal muscles.
A collapsed lung is also known as a _______________.
Pneumothorax.
Where are the alveoli located?
End of the Bronchioles.
What disease is linked strongly with smoking and has resistance to expiration of air from the lungs?
A) Asthma
B) Smoker's Cough
C) Emphysema
D) Tuberculosis
C) Emphysema