Chapter 4 - Human Breathing Flashcards
0
Q
What is gas exchange in the breathing system?
A
The diffusion of o2 from the alveoli of the lungs into the RBC AND the diffusion of co2 from the plasma into the alveoli for exhalation.
1
Q
Definition of breathing
A
The mechanisms of moving air in and out (inhalation and exhalation) of the lungs, caused by the movements of the ribcage and diaphragm.
2
Q
What do the nasal and buccal cavities allow? What are they lined with?
A
Allow air to enter the breathing system.
