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Questions and Answers
Which of the following is not part of the upper respiratory system?
Which of the following is not part of the upper respiratory system?
Where is the olfactory mucous membrane located?
Where is the olfactory mucous membrane located?
What is the main function of the respiratory mucous membrane?
What is the main function of the respiratory mucous membrane?
What separates the nasal cavity?
What separates the nasal cavity?
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How does air enter the respiratory system?
How does air enter the respiratory system?
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What is the function of the nasal passage?
What is the function of the nasal passage?
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Which part of the respiratory system includes the nose and nasal cavity?
Which part of the respiratory system includes the nose and nasal cavity?
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What is the function of the olfactory mucus membrane?
What is the function of the olfactory mucus membrane?
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Which structure separates the two nasal cavities?
Which structure separates the two nasal cavities?
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What is the primary function of the respiratory mucous membrane?
What is the primary function of the respiratory mucous membrane?
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Which bones project from the lateral wall of each nasal cavity?
Which bones project from the lateral wall of each nasal cavity?
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Which part of the mucous membrane lines the upper surface of the superior concha and the spheno-ethmoid?
Which part of the mucous membrane lines the upper surface of the superior concha and the spheno-ethmoid?
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Which of the following is part of the upper respiratory system?
Which of the following is part of the upper respiratory system?
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What function do the hairs and mucus inside the nostrils serve?
What function do the hairs and mucus inside the nostrils serve?
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What is the lower-most part of the nasal cavity called?
What is the lower-most part of the nasal cavity called?
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What lines the small airways in the respiratory system?
What lines the small airways in the respiratory system?
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Which part of the respiratory system is made of skin and cartilage?
Which part of the respiratory system is made of skin and cartilage?
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What can become thicker and is expelled by a lifting hand motion when the body is in a cold environment?
What can become thicker and is expelled by a lifting hand motion when the body is in a cold environment?
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Which of the following is a part of the upper respiratory system?
Which of the following is a part of the upper respiratory system?
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What function do the vibrissae in the nose serve?
What function do the vibrissae in the nose serve?
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What makes up the nasal septum?
What makes up the nasal septum?
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Which membrane is responsible for warming, moistening, and cleaning inspired air?
Which membrane is responsible for warming, moistening, and cleaning inspired air?
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Where do the conchae project from?
Where do the conchae project from?
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What is the function of the olfactory mucous membrane?
What is the function of the olfactory mucous membrane?
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Which part of the respiratory system includes the trachea?
Which part of the respiratory system includes the trachea?
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What is the main function of the olfactory mucous membrane in the nasal cavity?
What is the main function of the olfactory mucous membrane in the nasal cavity?
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Which bone forms part of the nasal septum?
Which bone forms part of the nasal septum?
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What is the function of the respiratory mucous membrane?
What is the function of the respiratory mucous membrane?
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What structures project from the lateral wall of each nasal cavity?
What structures project from the lateral wall of each nasal cavity?
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Which part of the lower respiratory system is responsible for gas exchange?
Which part of the lower respiratory system is responsible for gas exchange?
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What is the main function of the olfactory mucous membrane?
What is the main function of the olfactory mucous membrane?
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Which part of the nasal cavity is lined by the respiratory mucous membrane?
Which part of the nasal cavity is lined by the respiratory mucous membrane?
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Which bone is part of the nasal septum?
Which bone is part of the nasal septum?
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What are the conchae in the nasal cavity?
What are the conchae in the nasal cavity?
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Which of these is part of the lower respiratory system?
Which of these is part of the lower respiratory system?
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How do nasal hairs help in the respiratory process?
How do nasal hairs help in the respiratory process?
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Which part of the respiratory system includes the trachea?
Which part of the respiratory system includes the trachea?
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What is another name for the voice box?
What is another name for the voice box?
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Which of the following is a primary function of the respiratory system?
Which of the following is a primary function of the respiratory system?
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What is the function of the olfactory mucous membrane?
What is the function of the olfactory mucous membrane?
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Which bones make up the nasal septum?
Which bones make up the nasal septum?
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Which of the following is NOT a component of the respiratory system?
Which of the following is NOT a component of the respiratory system?
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Which part of the respiratory system consists of bronchioles?
Which part of the respiratory system consists of bronchioles?
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Where does the gas exchange occur in the respiratory system?
Where does the gas exchange occur in the respiratory system?
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What role does the nasal cavity play in the respiratory system?
What role does the nasal cavity play in the respiratory system?
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What is the function of the respiratory mucous membrane?
What is the function of the respiratory mucous membrane?
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Which component of the respiratory system carries air to the bronchi?
Which component of the respiratory system carries air to the bronchi?
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Which of the following helps the alveoli with gas exchange?
Which of the following helps the alveoli with gas exchange?
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Which of the following statements about air pressure in the lungs during inspiration is true?
Which of the following statements about air pressure in the lungs during inspiration is true?
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Which of the following is a correct description of the role of the diaphragm in respiration?
Which of the following is a correct description of the role of the diaphragm in respiration?
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Which part of the respiratory system is responsible for the reception of olfactory stimuli?
Which part of the respiratory system is responsible for the reception of olfactory stimuli?
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What is the primary function of the respiratory mucous membrane?
What is the primary function of the respiratory mucous membrane?
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Which structure in the nasal cavity helps to block the entry of dust?
Which structure in the nasal cavity helps to block the entry of dust?
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Which part of the lower respiratory system is also known as the voice box?
Which part of the lower respiratory system is also known as the voice box?
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Which bones project from the lateral wall of each nasal cavity?
Which bones project from the lateral wall of each nasal cavity?
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Which of the following structures is part of the lower respiratory system?
Which of the following structures is part of the lower respiratory system?
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Which structure separates the two nasal cavities?
Which structure separates the two nasal cavities?
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Which part of the respiratory system warms, moistens, and cleans inspired air?
Which part of the respiratory system warms, moistens, and cleans inspired air?
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What is the function of the olfactory mucous membrane?
What is the function of the olfactory mucous membrane?
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Which of the following parts is NOT part of the lower respiratory system?
Which of the following parts is NOT part of the lower respiratory system?
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What are the shelf-like bones projecting from the lateral wall of each nasal cavity called?
What are the shelf-like bones projecting from the lateral wall of each nasal cavity called?
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What type of mucous membrane lines the lower part of the nasal cavity?
What type of mucous membrane lines the lower part of the nasal cavity?
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Study Notes
Respiratory System
- The respiratory system has two parts: upper respiratory system and lower respiratory system.
Upper Respiratory System
- Consists of:
- Nose & Nasal cavity
- Pharynx
- Larynx
Lower Respiratory System
- Consists of:
- Trachea
- Bronchi
- Bronchioles
- Alveoli
Nose & Nasal Cavity
- Air enters and leaves the respiratory system through the nose.
- Made of bone and cartilage.
- Covered with skin.
- Hairs inside the nostrils help block the entry of dust.
- The two nasal cavities are within the skull, separated by the nasal septum.
- Shelf-like bones called conchae project from the lateral wall of each nasal cavity.
Mucous Membrane
- Lines the nasal cavity.
- Two mucous membranes:
-
Olfactory mucous membrane:
- Lines the upper surface of the superior concha & the sphenoid ethmoid.
- Function: Reception of olfactory stimuli.
-
Respiratory mucous membrane:
- Lines the lower part of the nasal cavity.
- Function: To warm, moisten, & clean inspired air.
-
Olfactory mucous membrane:
Pharynx
- Passageway for food and air from the nasal cavity to the larynx.
Larynx
- Protected by the epiglottis.
Trachea
- Carries air to the two main branches of air tubes called the bronchi.
Bronchi
- Divides into smaller branches called bronchioles.
Bronchioles
- Terminate in tiny air sacs called the alveoli.
- Site of gas exchange.
Alveoli
- Sites of gas exchange.
- Oxygen moves from the alveoli into the bloodstream, while carbon dioxide moves from the bloodstream into the alveoli.
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Description
Learn about the different parts of the respiratory system, including the upper and lower respiratory systems, and their functions. Identify the components of the nose and nasal cavity.
