Exchange of Gases
The exchange of gases between the alveoli and blood in the lungs, as well as between blood and tissue, depends on
partial pressure of the gases
pressure and the diffusion capacity of the gases
pressure of the gases
diffusion capacity of the gases
How many ATP molecules are produced in the Krebs cycle?
Glucose is converted in CO2
ADP is converted to ATP
Pyruvic acid is converted to CO2
Pyruvic acid is converted to ATP
Air moves out of the lungs when the pressure inside the lungs is ___.
greater than the pressure in the atmosphere
greater than the intra-alveolar pressure
less than the pressure in the atmosphere
equal to the pressure in the atmosphere
Which of these explain(s) the diffusion of oxygen from alveoli to blood?
Low concentration of oxygen in the blood.
Low concentration of oxygen in the alveoli.
High concentration of oxygen in the alveoli.
High concentration of oxygen in the blood.
Gas is exchanged in the alveoli by a process of _____.
During inspiration, the concentration of oxygen inside the alveoli is_______ that in blood capillaries.
more or less than
Which of these gases are mostly transported by binding to hemoglobin?
- Carbon dioxide
- Carbon monoxide