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Study
Respiratory System
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What is the process when the carbon dioxide from the different parts of the body is released?
Exhalation
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Give four organs of the respiratory system.
nose, mouth, pharynx, larynx, trachea, lung, bronchus
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This is the primary muscle for respiration.
diaphragm
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These are the smaller tubes of bronchi. What are these?
Bronchioles
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What happens to the diaphragm when we inhale?
The diaphragm contracts and moves down.
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What happens to the diaphragm when we exhale?
The diaphragm relaxes and moves up to push air.
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It is also called "windpipe". It branches out into two tubes or bronchi. What is it?
Trachea
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In which part of the respiratory system does the air pass from the nose?
Pharynx
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When air passes through it from the pharynx, it vibrates to produce sound. What is it?
Larynx
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What do you call the tiny air sacs in the lungs?
Alveoli
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This is a sticky substance inside the nose that filters and traps the dirt present in the air.
mucus
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What air does our body produce when we exhale?
Carbon dioxide
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What part of the respiratory system is responsible for gas exchange?
Alveoli
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Where does the air moves down from the larynx?
Trachea
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Give one function of the respiratory system.
Filtration of dirt in air/ voice reproduction / breathing
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Where does the air moves down from the larynx?
Trachea
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From the nose, air passes into this tube that allows the passage of food and air. What is this tube?
pharynx (throat)
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Where does the path of air start in the respiratory system?
Nose/mouth
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What air does our body take in when we inhale?
oxygen
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These are the openings of the nose. What are these?
Nostrils
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What is the process of taking air into our body?
inhalation
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