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Respiratory system
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What do we call the process of breathing air out?
exhalation
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What do we call the process of breathing air in?
Inhalation
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What gas is released when you exhale?
CO2
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What are the 3 things your nasal mechanism does to the air you breathe in?
cleans, warms, moistens
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What is number 8 on the diagram?
Trachea
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According to the picture, what does the movement of air in the lungs look like?
Inhalation
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Diaphragm contracts in the
inhalation
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It is commonly referred to as the throat
Pharynx
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The air sacks at the end of the bronchioles where the gas exchange takes place
alveoli
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Function(s) of the pharynx
A passageway for air and food.
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The passage that leads from the cavities of the nose and mouth to the larynx
Pharynx
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The movement of air in and out of the lungs (commonly called breathing)
ventilation
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Which lung is smaller?
left
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What type of blood does the pulmonary artery carry?
oxygen-poor (deoxygenated) blood
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Where are the vocal cords?
larynx
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What do the alveoli do?
exchange CO2 and O2
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Three functions of the respiratory system
Its main function is to breathe in oxygen and breathe out carbon dioxide. It also helps you smell and allows you to talk.
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What is the main function of the respiratory system?
The main function of the respiratory system is the exchange of gasses.
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How many lobes does the left lung have?
2
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What type of blood do the pulmonary veins carry?
oxygen-rich blood
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How many lobes does the right lung have?
3
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Formed by division of the trachea
Bronchi
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What is the most common upper respiratory disease?
Common cold
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Flap of elastic cartilage attached to the larynx that closes when food passes by
epiglottis
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Breathing pressures are described in relation to what?
Atmospheric pressure
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The internal airways of the lungs
bronchioles
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Where does the pulmonar artery come from?
the right ventricle
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According to the image, what does the movement of air in the lungs look like?
Exhalation
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What veins are the only veins in your body that carry oxygen-rich blood?
pulmonary veins
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Diaphragm relaxes in the...
exhalation
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Three ways to keep your respiratory system healthy
Don't smoke, wash your hands regularly, get regular exercise, ventilate indoor spaces,
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What is the first part of the respiratory system, where the oxygen enters?
nasal cavities /mouth
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Name a disease of the respiratory system
asthma, lung cancer, pneumonia , tuberculosis, bronchitis, pharyngitis...
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In exhalation the pressure in the alveoli _______ and the air is expelled to the outside through the airways
increases
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The tiny hairs that keep mucus and dirt out of your lungs are called
cilia
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Which organ is known as the voice box?
The larynx
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What is number 7 on the diagram?
Pharynx
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What is number 11 on the diagram?
Alveoli
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A large muscle that separates the chest cavity from the abdominal cavity and helps with breathing.
Diaphragm
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