Download Physical Respiration Notes SI

Name________________________________________________
Living Environment
Date______________
Period ___________
The Human Respiratory System
What is Physical Respiration?
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The process of exchanging _______ and _________ between an __________________ and its ________________
_____________________.
Occurs through a __________________ ____________________ ________________________.
Also called ________________________.
The Respiratory System and Gas Exchange:
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The human respiratory system is a network of __________________ that allows for ______________ to
flow _____________ and ________________ the body.
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___________ flows in & is needed for _____________________ ________________________.
___________ flows out & is a waste product from _______________ ______________________.
Structures of the Respiratory System:
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Name________________________________________________
Living Environment
Date______________
Period ___________
Nasal Cavity
• Air _______________/________________ through _________________________
• Lined with __________________________ mucous membranes which ___________________,
_____________________ and ______________________ air.
Pharynx (throat)
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The upper part of the throat, where the __________________ cavity meets the ____________________
cavity.
Larynx (voice box)
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Contains ___________________ ________________ (flaps that _________________ to produce sounds when air
passes over them)
Trachea (Windpipe)
• Kept open by ____________________________________________________________
• Lined with __________________________ mucous membranes which ___________________,
_____________________ and ______________________ air.
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Deposits from _________________________ ________________ and other _________________________ interfere
with action of the ____________________.
Food is prevented from entering the __________________ by the _____________________
Bronchi
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Branch off from the ______________________________.
One _________________________ goes to _____________________ ____________________.
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Lined with __________________________ mucous membranes which ___________________,
_____________________ and ______________________ air.
Bronchioles
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Branch off from ________________________.
Airways are __________________ ___________ _____________________.
• They are _____________________ ringed with ___________________________
• Lined with __________________________ mucous membranes which ___________________,
_____________________ and ______________________ air.
2
Name________________________________________________
Living Environment
Alveoli
_________________________________________________________________
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Elastic ______________________ found at the end of _____________________________________.
Thin and moist. Alveoli are __________________________________________.
Surrounded by ________________________________.
_______________ diffuses _________________ the blood and ________________ diffuses _________________ the
blood.
Lungs
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Main ____________ of the ______________________ ___________________.
______________ structures that allow for ________ to enter and exit.
Include the ______________, __________________ and ________________.
Diaphragm
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A ______________ underneath the _____________.
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It _______________ (___________________) when you _________________.
It _______________ (___________________) when you _________________.
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Date______________
Period ___________
Name________________________________________________
Living Environment
Date______________
Period ___________
Breathing Dynamics
Inhaling
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The diaphragm ______________________________ and moves _______________________________.
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The ribs move __________________________ and ___________________________________.
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The change in ______________________ in the chest cavity ________________ air _________________ the lungs.
Exhaling
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The diaphragm _____________________ and moves _____________________________.
The ribs move _____________________ and __________________________.
Air is pushed __________________ of the ________________________.
Name________________________________________________
Living Environment
Date______________
Period ___________
Gas Exchange in the Alveoli
How is breathing controlled?
• Breathing rate is controlled by the __________________ (a part of your brain that is responsible for
___________________ actions).
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The __________ monitors the concentration of ____ in the ________.
• High ______ – breathe ____________ to get rid of _________
Name________________________________________________
Living Environment
Date______________
Period ___________
Disorders of the Respiratory System
Bronchitis
• Membranes lining the ______________ become _______________ (“-itis” means __________________).
• Symptoms – ____________, ______________, ___________________________.
Asthma
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An ______________ reaction where ______________ of _____________ airways & increased ____________
production prevents air from entering or exiting the ___________________.
Name________________________________________________
Living Environment
Emphysema
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Alveoli lose ____________ (usually due to ____________).
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Gas ____________ is not _____________
Symptoms – ______________ & ________________________.
Lung Cancer
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Uncontrolled ___________ ____________ in the ______________.
Usually caused by _________________________.
Cancer _________________ with ______________ ____________________.
Date______________
Period ___________
Name________________________________________________
Living Environment
Can you label the structures below?
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Date______________
Period ___________
Name________________________________________________
Living Environment
Gas Exchange – Comparative Anatomy
Earthworm
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Date______________
Period ___________
Name________________________________________________
Living Environment
Grasshopper
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Date______________
Period ___________