Which statement is correct?
a) During external respiration, equilibrium is reached for O2 when the partial pressure for O2 in the pulmonary capillaries and the alveoli are the same.
b) During external respiration, oxygen is unloaded from the blood.
c) During internal respiration, carbon dioxide is unloaded from the blood.
d) The greater the available surface area the lower the amount of gas exchange during internal respiration.
Answer: a) During external respiration, equilibrium is reached for O2 when the partial pressure for O2 in the pulmonary capillaries and the alveoli are the same.
You might also like to view...
If you are standing still and then you start moving forward, the endolymph in your inner ear will __________.
Fill in the blank(s) with the appropriate word(s).
A synarthrosis is a freely movable joint
a. true b. false
Which statement about plasma is false?
A. Dissolved proteins make up 7% of plasma. B. Ions and nutrients are found in plasma. C. Plasma is free of waste products. D. Plasma contains regulatory substances used for communication.
In the following median MRI though the lower head and neck, the arrow points to the:
A) vestibule. B) piriform recess. C) vallecula. D) nasal cavity. E) choanae.