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Respitory Systems

alveoli air sacs at the end of the bronchioles -surrounded by capillaries that allow oxygen and CO2 to be exchanged between the blood and lungs
Hyperpnea Increased rate and depth of breathing
Hypoxia Decreased amounts of oxygen to tissues
Trachea -windpipe -carries air from the pharynx to the bronchi -subdivides into two bronchi, each entering one lung
larynx -voice box -contains vocal cords
Nasopharynx -upper portion of larynx -contains pharyngeal tonsils(adenoids) -located behind the nose
Oropharynx -middle portion of pharynx -contains the palatine tonsils -located behind the mouth
Epiglottis flap of cartilage that covers the larynx to prevent aspiration
cellular respiration the use of oxygen and nutrients to produce energy, water, CO2, and heat
Epistaxis nosebleed
dyspnea painful or difficult breathing
Bronchioles smallest subdivision of the bronchi
Tachypnea rapid shallow breathing
asthma obstruction of the bronchiole S&S:-coughing -wheezing -dyspnea RX:-bronchodilator -anti-inflammatory -oxygen
function of the nose warm, filter, and moisten air passing through
nasal septum seperates the nasal cavities
respitory system to take in oxygen needed for body cells and remove CO2
internal respiration exchange of oxygen and CO2 between the blood and body cells
external respiration exchange of oxygen and CO2 between the blood in capillaries surrounding alveoli
diaphragm major muscle of respiration -divides the thoracic cavity and the abdominal cavity
ventilation the process of breathing inspiration: taking in air expiration: when air is forced out of the lungs
lungs right lung contains 3 lobes left lung contains 2 lobes
pleura serous membrane that covers the lungs to prevent friction when lungs expand and contract
sinuses cavities in the skull that warm and moisten air and provide resonance to the voice
pharynx (the throat) divided into three portions upper portion is the nasopharynx middle portion is the oropharynx lowest portion is the laryngopharynx
Created by: olyvia