Podcast
Questions and Answers
What is the primary function of the nasal cavity?
What is the primary function of the nasal cavity?
- Digest food before it reaches the stomach
- Connect the throat to the trachea
- Extract oxygen from the air
- Filter, warm, and humidify the air before it reaches the lungs (correct)
Which structure is commonly referred to as the 'windpipe'?
Which structure is commonly referred to as the 'windpipe'?
- Larynx
- Nasal cavity
- Trachea (correct)
- Pharynx
What is the primary function of the diaphragm in the respiratory process?
What is the primary function of the diaphragm in the respiratory process?
- To circulate blood through the lungs
- To assist in expanding and contracting the lungs (correct)
- To produce sound during exhalation
- To filter carbon dioxide from the air
What role do alveoli play in the respiratory system?
What role do alveoli play in the respiratory system?
What is the role of the larynx in the respiratory system?
What is the role of the larynx in the respiratory system?
What do the bronchi resemble in their structure within the lungs?
What do the bronchi resemble in their structure within the lungs?
Which structure branches off the main bronchi and leads to the alveoli?
Which structure branches off the main bronchi and leads to the alveoli?
During which phase of respiration does the diaphragm contract?
During which phase of respiration does the diaphragm contract?
Which of the following statements about the pharynx is correct?
Which of the following statements about the pharynx is correct?
What happens to carbon dioxide when you exhale?
What happens to carbon dioxide when you exhale?
Flashcards
Nasal Cavity
Nasal Cavity
A hollow space where air passes through the nose, filtering, warming, and humidifying.
Pharynx
Pharynx
The throat; a chamber for both air and food, helping to filter and humidify air.
Larynx
Larynx
The voice box; connects the throat to the trachea and contains the vocal cords.
Trachea
Trachea
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Bronchi
Bronchi
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Diaphragm's role in breathing
Diaphragm's role in breathing
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Bronchioles function
Bronchioles function
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Alveoli's function
Alveoli's function
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Breathing process
Breathing process
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Bronchi structure
Bronchi structure
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Study Notes
Respiratory System Overview
- The respiratory system is responsible for breathing
- Air enters through the nose and mouth
- It's cleaned, warmed, and moistened before reaching the lungs
Nasal Cavity
- Hollow spaces that filter, warm, and moisten air
- Part of the breathing process
Mouth
- Another entry point for air
- Can also humidify and filter air particles
Pharynx
- Also known as the throat
- Chamber for food and air
Larynx
- Hollow organ connecting the throat to the trachea
- Contains vocal cords (voice box)
Trachea
- Often called the windpipe
- Tube connecting the mouth/nose to the lungs
- Helps with breathing and talking
Bronchi
- Branches of the trachea
- Located within the lungs
- Allow air to travel deeper into the lungs
Bronchioles
- Narrow tubes branching off the bronchi
- Further divide the bronchial network
Lungs
- Extract oxygen when inhaling
- Release carbon dioxide when exhaling
- Main organs of the respiratory system
Diaphragm
- Dome-shaped muscle
- Helps with breathing by expanding and contracting the lungs
Alveoli
- Tiny air sacs in the lungs
- Where oxygen enters and carbon dioxide exits the bloodstream
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