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What is the function of the epiglottis?
It helps prevents choking as it prevents food from entering the trachea.
What reflex kicks in when your epiglottis reflex malfunctions?
What is the inflammation of the pleural membrane called?
Where are the alveoli located?
The alveoli are located at the ends of the bronchioles
What are the tiny air sacs in the lung called?
Alveoli
What is the main function of the respiratory system?
It moves fresh air into the body while removing waste gases.
How many cells thick are the walls of the alveoli?
One cell thick.
Gases always move from areas of _____ pressure to areas of _____ pressure.
1.High
2.Low
In inhalation, what does the diaphragm do?
In inhalation the diaphragm contracts and flattens.
Asthma is the constriction of the muscles surrounding the bronchi, causing shortness of breath and difficulty breathing out.
True or False
True
What is the most common gas in the atmosphere?
Nitrogen
Why is it bad to pluck out nose hairs?
Nose hairs help prevent invaders like dust getting into the lungs.
An asthma attack involves the contraction of the _______.
Bronchi
What is the nasal cavity?
The nasal cavity is a large air filled space above and behind the nose in the middle of the face.
True
Describe the bronchial tree.
The trachea is the trunk. The bronchus are the branches of the trachea. Bronchioles are the smaller branches. The alveoli are the 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
A collapsed lung is also known as ______________.
Pneumothorax
Carbonic acid dissociates into ___________ and ___________ ions.
1. Bicarbonate
2. Hydrogen
What percent of carbon dioxide does hemoglobin transport.
About 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?
The intercostal muscle and the diaphragm.
What is the pleural membrane and its function?
The lining of the lungs. Its function is to reduce friction between the lungs and the inside of the chest wall during breathing.
Description: A reflex that is aimed at getting excess mucous out of the lungs. The mucous is caused by the decrease in the cilia in the respiratory tract as well as extra thick mucous.
Choices:
Pneumonia
Pleurisy
Smoker's Cough
Asthma
Smoker's Cough
Description:
A bacterial or viral infection in the lungs that leads to fluid in the lungs. Symptoms include chills, high fever, pain in the chest, and weakness due to low oxygen in the blood.
Choices:
The Bends
Pneumonia
Pleurisy
Lung Cancer
Pneumonia