Respiration Flashcards
Respiration takes advantage of both bulk flow & simple diffusion
True or False
True
The trachea branches into 2 _____
Bronchi
Bronchi branch into _____
Brochioles
Name of lung cavity
Plural
Inhalation the diaphragm does what?
What happens to the volume of the lungs?
What happens to the pressure?
Contracts; goes down
Increases
Decreases
During exhalation
The diaphragm…
What happens to the size of the lungs?
What happens to the pressure?
Relaxes back to its original dome shape
Decrease
Increase
The _______ zone which includes everything from the nose to the smallest bronchioles, moves air into and out of the lungs.
The ______ zone includes the respiratory bronchioles and alveoli and moves the respiratory gases, that is oxygen and carbon dioxide, in and out of the blood
Conducting zone
Respiratory zone
Bronchioles empty into
Alveolar ducts
Alveolar ducts dead end into
Alveolar Sacs
Where does gas exchange occur?
Alveolar Sacs
Hypocapnia is…
Drop in C02
What is the percentage of a particular gas divided by air pressure called?
Partial Pressure
Why is it hard to breathe at the top of a mountain?
Because the air pressure is lowe4
Hence, the partial pressure is lower
The same partial pressure already inside your lungs.
Making gas exchange difficult
This effect describes hemoglobin oxygen affinity is inversely related both to acidity and the concentration of carbon dioxide
Bohr’s effect
This effect is the decrease of hemoglobins oxygen binding capability with an increase in carbon dioxide or decrease in ph.
Bohrs effect