Q 32

What is the connection between breathing and venous return? A)Inhalation decreases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. B)Inhalation increases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. C)Exhalation decreases pressure in the pleural cavity, thus more blood flows into the inferior vena cava. D)Both inhalation and exhalation increase pressure in the pleural cavity, thus less blood flows into the inferior vena cava. E)Both inhalation and exhalation decrease pressure in the pleural cavity, thus less blood flows into the inferior vena cava.

Multiple Choice