Question

refer to focus figure 17.2, specifically the pressure in the left atrium. which statement best explains the second rise in atrial pressure on the line graph? view available hint(s)for part a refer to focus figure 17.2, specifically the pressure in the left atrium. which statement best explains the second rise in atrial pressure on the line graph? the pulmonary aortic semilunar valve closes; blood is contained within the closed chamber, exerting pressure against the ventricular wall. the bicuspid/mitral valve closes; blood is contained within the closed chamber, exerting pressure against the atrial wall. the tricuspid valve closes; blood is contained within the closed chamber, exerting pressure against the atrial wall. the aortic semilunar valve closes; blood is contained within the closed chamber, exerting pressure against the ventricular wall.

Answer 1

Answer:bicuspid/mitral valve closes; blood is contained within the closed chamber, exerting pressure against the atrial wall.

Step-by-step explanation: