Two lower chambers are left ventricle and _______.
-
left atrium
-
right atrium
-
right ventricle
-
aorta
C
Correct answer
Explanation
The heart has four chambers: two upper chambers (atria) and two lower chambers (ventricles). The question specifically asks for the TWO LOWER CHAMBERS, which are the left ventricle and right ventricle. The atria receive blood; the ventricles pump blood out.