Blood Journey Quiz

What is the correct sequence of blood flow through the heart starting from where blood enters the heart?

• Right atrium → Right ventricle → Pulmonary artery

• Left atrium → Left ventricle → Aorta

• Right atrium → Left atrium → Right ventricle

• Left ventricle → Right ventricle → Pulmonary artery

Which vessel carries oxygen-poor blood from the body to the heart?

• Pulmonary vein

• Aorta

• Pulmonary artery

• Vena cava

What is the main function of the pulmonary circulation?

• To transport oxygen-rich blood to the body

• To exchange oxygen and carbon dioxide in the lungs

• To pump blood to the heart muscle

• To regulate blood pressure

Where does the blood go immediately after it leaves the right ventricle?

• Aorta

• Left atrium

• Pulmonary artery

• Pulmonary vein

Which chamber of the heart receives oxygen-rich blood from the lungs?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

After blood gets oxygenated in the lungs, through which vessel does it return to the heart?

• Pulmonary artery

• Pulmonary vein

• Aorta

• Vena cava

What is the role of the aorta in systemic circulation?

• It carries oxygen-poor blood to the lungs

• It receives oxygen-poor blood from the body

• It distributes oxygen-rich blood to the body

• It collects oxygen-rich blood from the lungs

Which valve prevents the backflow of blood from the right ventricle to the right atrium?

• Mitral valve

• Aortic valve

• Tricuspid valve

• Pulmonary valve

During systemic circulation, where does the blood travel after leaving the left ventricle?

• Right atrium

• Right ventricle

• Aorta

• Pulmonary artery

Which of the following best describes the function of the left ventricle?

• It pumps oxygen-poor blood to the lungs

• It receives oxygen-rich blood from the lungs

• It pumps oxygen-rich blood to the body

• It collects oxygen-poor blood from the body