Multiple Choice
If a molecule of carbon dioxide enters the blood in your left toe and is exhaled from your nose, it must pass through all of the following EXCEPT ________.
A) the pulmonary vein
B) an alveolus
C) the trachea
D) the right atrium
E) the right ventricle
Correct Answer:

Verified
Correct Answer:
Verified
Q30: The Bohr shift on the oxygen-hemoglobin dissociation
Q31: The one-way flow of air along parabronchi
Q33: The aortic valve of the mammalian heart
Q34: In mammals, gas exchange between the atmosphere
Q35: Which type of bird is most likely
Q37: If, during protein starvation, the osmotic pressure
Q38: Atmospheric pressure at sea level is equal
Q39: At the summit of a high mountain,
Q40: The vertebrates in which blood flows directly
Q41: A large increase in albumin concentration in