What is the correct sequence in which a drop of blood returning from the body encounters the heart chambers?
A) left atrium → left ventricle → right atrium → right ventricle
B) left ventricle → left atrium → right ventricle → right atrium
C) right atrium → left atrium → left ventricle → right ventricle
D) right atrium → left ventricle → left atrium → right ventricle
E) right atrium → right ventricle → left atrium → left ventricle

Question

Quizplus · Accepted Answer

Blood returning from the body first enters the right atrium, then moves to the right ventricle, from where it is pumped to the lungs. After oxygenation in the lungs, it returns to the left atrium, and finally moves into the left ventricle, from where it is pumped out to the body.

What Is the Correct Sequence in Which a Drop of Blood