BIOL 2213 Exam 4 Excretory Unit With Complete
Solutions 100% Verified
oxygen / carbon dioxide
The primary role of the respiratory system is to provide the body tissues with ___ and
eliminate ___ ___ produced by cellular metabolism.
pulmonary ventilation
gas exchange
Respiration includes what 2 functions
pulmonary ventilation
movement of air between atmosphere and alveoli
external respiration
movement of O2 from lungs into blood; CO2 from blood to lungs
internal repsiration
movement of O2 from blood into tissue cells; CO2 from cells into blood
larynx
In the upper airway, air comes in and travels to the ____ (where vocal cords are)
alveolar sacs
,Alveoli:
Airway ends in ____ ___
_____: sites of gas exchange with the blood
Respiratory zone (where the gas exchange happens)
Conducting zone (everything else)
2 zones of the respiratory system
repsiratory zone
zone where the gas exchange happens
conducting zone
zone that involves the nose to terminal bronchioles
cilia
,Epithelial surfaces contain ____ that secrete mucus and keeps lungs clear of particulate
matter
conducting
37 / constant
Particulates (dust, foreign contaminants) adhere to mucus in the ____ zone
Air is ___ degrees in respiratory zone - temperature and moisture is ___
capillaries
big
quick
The alveoli are small, hollow sacs supplied by ____
Size of the Surface area of alveoli in contact with capillaries is ____
Allows for ____ diffusion
type 1 alveolar cells
flat epithelium forming a continuous layer
, type 2 alveolar cells
specialized cells. produces surfactant.
thorax
diaphragm
intercostal (between the ribs)
Respiratory system is located in the ___
Neck to ___
Wall of thorax includes _____ muscles
Lungs
Passive, elastic structures whose volume fluctuates
pressure
Lung volume depends on difference in ___ inside and outside of lungs
Boyle's Law
pressure in alveoli (intrapulmonary) decreases below atmospheric-air will move from
Solutions 100% Verified
oxygen / carbon dioxide
The primary role of the respiratory system is to provide the body tissues with ___ and
eliminate ___ ___ produced by cellular metabolism.
pulmonary ventilation
gas exchange
Respiration includes what 2 functions
pulmonary ventilation
movement of air between atmosphere and alveoli
external respiration
movement of O2 from lungs into blood; CO2 from blood to lungs
internal repsiration
movement of O2 from blood into tissue cells; CO2 from cells into blood
larynx
In the upper airway, air comes in and travels to the ____ (where vocal cords are)
alveolar sacs
,Alveoli:
Airway ends in ____ ___
_____: sites of gas exchange with the blood
Respiratory zone (where the gas exchange happens)
Conducting zone (everything else)
2 zones of the respiratory system
repsiratory zone
zone where the gas exchange happens
conducting zone
zone that involves the nose to terminal bronchioles
cilia
,Epithelial surfaces contain ____ that secrete mucus and keeps lungs clear of particulate
matter
conducting
37 / constant
Particulates (dust, foreign contaminants) adhere to mucus in the ____ zone
Air is ___ degrees in respiratory zone - temperature and moisture is ___
capillaries
big
quick
The alveoli are small, hollow sacs supplied by ____
Size of the Surface area of alveoli in contact with capillaries is ____
Allows for ____ diffusion
type 1 alveolar cells
flat epithelium forming a continuous layer
, type 2 alveolar cells
specialized cells. produces surfactant.
thorax
diaphragm
intercostal (between the ribs)
Respiratory system is located in the ___
Neck to ___
Wall of thorax includes _____ muscles
Lungs
Passive, elastic structures whose volume fluctuates
pressure
Lung volume depends on difference in ___ inside and outside of lungs
Boyle's Law
pressure in alveoli (intrapulmonary) decreases below atmospheric-air will move from
