respiratory system. obtain oxygen and remove carbon dioxide regulates water and air temp produce...
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Respiratory System
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Respiratory System
Obtain oxygen and remove carbon dioxide Regulates water and air temp Produce vocal sounds Regulates blood pH level
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Diaphragm
Large muscle in your chest cavity that contracts and relaxes
Acts like a vacuum, pulls air in and pushes it out
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Breathing Mechanisms
Inspiration Process of inhaling
and breathing in air Diaphragm
contracts, causing air to flow into lungs
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Breathing Mechanisms
Expiration Process of exhaling
or breathing out air Diaphragm relaxes,
forcing air out of lungs
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Organs of Respiratory System
Nose, Nasal Cavity
Pharynx
Larynx
Trachea
Bronchial Tree
Lungs
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Nose and Nasal Cavity
Hallowed cavity that allows air to enter/leave
Prevents large particles to enter
Composed of bones Nasal Septum and
Nasal Conchae
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Sinuses
Air-filled space within the facial bones of the skull
Mucous lined, helps reduce weight of the skull and affects quality of voice
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Pharynx
Aka the throat, passage way for food and for air
Also produces speech sounds
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Larynx
Enlargement of muscles and cartilage at the top of the trachea.
Conducts air in and out, prevents foreign objects from entering
Also houses vocal cords
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Larynx
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Trachea
Windpipe, extends anterior to esophagus toward the bronchi and lungs
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Bronchial Tree
Branched airways leading from trachea to air sacs in lungs
Lead to Alveolar Ducts and Alveolar Sacs
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Alveolar
Sac like bulbs at the end of brachial branch
Surrounded by blood capillary networks
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Gas Diffusion
O2 diffuse out to the capillaries, CO2 diffuse into the alveoli
Flow from High to Low concentrations
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Factors that Affect Breathing
Emotions and physical activity can alter normal breathing patterns
Hyperventilation: Rapid and deep breathing, lowers blood CO2 levels