The right atrium receives blood directly from

BLOOD PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	the superior vena cava, inferior vena cava, and coronary sinus.
B	the pulmonary veins.
C	the superior vena cava and inferior vena cava only.
D	the superior vena cava, inferior vena cava, and pulmonary veins.

Explanation:

Detailed explanation-1: -Inferior and superior vena cava empty blood directly into the right atrium. The coronary artery supplies oxygenated blood to the heart. Hence, the correct answer is option D.

Detailed explanation-2: -Blood enters the heart through two large veins – the posterior (inferior) and the anterior (superior) vena cava – carrying deoxygenated blood from the body into the right atrium.

Detailed explanation-3: -The main vessels entering the right atrium are the superior vena cava, and the inferior vena cava. These are the major vessels that return blood from the systemic circulation back into the heart.

There is 1 question to complete.