Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

Which of the following correctly describes the flow of blood through the mammalian heart starting from the vena cava?
Options
A Left atrium → left ventricle → lungs → body
B Right atrium → left atrium → lungs → right ventricle
C Right atrium → right ventricle → lungs → left atrium → left ventricle → body
Correct Answer
D Lungs → right atrium → left ventricle → body
Correct Answer

Option C is the correct answer.

Detailed Explanation

Deoxygenated blood enters the right atrium from the vena cava, passes to the right ventricle, is pumped to the lungs, returns oxygenated to the left atrium, moves to the left ventricle, and is pumped to the body via the aorta.

Hint

The right side pumps to lungs; the left side pumps to body.

Question Info