RespiratorySystem Word Scramble
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Question | Answer |
Respiratory system does what? | Delivers oxygen to and from the blood. |
Upper respiratory tract contains: | nose (nasal cavity, sinuses), mouth, larynx, and trachea (windpipe) |
lower respiratory tract contains: | lungs, bronchi, and alveoli |
URI | upper respiratory infection |
Respiration | the act of breathing |
inspiration | muscle contraction. increases lung volume, allowing air to rush in. 21% oxygen, no CO2. |
expiration | muscle relaxation. decreases lung volume, air passively flows out. 16% oxygen 4.5% CO2. |
pulmonary circulatory circuit | the process whereby oxygen and CO2 are delivered to and from the lungs. |
oxygen-poor blood | travels to the right atrium then to the right ventricle |
oxygen-rich blood | pulmonary veins carry to the heart for distibution |
nose (nasal hairs and mucus) | filter, warms, and moistens |
when food is swallowed | the opening of the larynx (the epiglottis) automatically closes, preventing food from being inhaled |
larynx | also contains the vocal cords |
bronchi divide into smaller tubes called | bronchioles |
bronchial stuctures contain | cilia |
alveoli | small, thin-walled "balloons" arranged in clusters |
gas exchange occurs where? | at the alveoli |
functions of the respiratory system | breathing process, exchange of O and CO2, enable speech production |
epiglottis | acts as a lid or flap that covers the larynx and trachea (airway) so food does not enter the lungs |
trachea | no gaseous exchange |
bronchi | c-shaped cartilage rings with smooth muscle, each bronchi divides into bronchioles, terminate in air sacs called aveoli |
pleuralitis | inflamed lungs |
phrenic nerve | conveys impulses between CNS and some other body region |
external respiration | exchange of gases in lungs |
internal respiration | exchange of gases within cells of the body organs and tissues |
vetilation | movement of air |
COPD | chronic obstructive pulmonary disease (COLD) |
Dyspnea | difficulty breathing, shortness of breath |
Bradypnea | slow breathing |
Tachypnea | fast breathing |
PND | paroxysmal nocturnal dyspnea. acute dyspnea caused by lung conjestion and edema that results from partial heart failure and occurs suddenly at night. |
expectorants | expell mucus |
barrel-chest | chest stays in a constant expansion to compensate for lack of oxygen |
avoid aspirin in children | because it could cause Reyes syndrome |
Can cause COPD | asthma, chronic Bronchitis, emohysema |
influenza |
Created by:
SpecialK1942
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