3.1 HBS Cardiovascular System Practice Test

Front

What is the main function of the heart?

Back

The main function of the heart is to act as a pump that circulates blood throughout the body.

Front

What substances are circulated by the blood?

Back

The blood circulates waste, oxygen, and nutrients, among other substances.

Front

What structure brings oxygenated blood from the lungs back into the heart?

Back

The Pulmonary Vein brings oxygenated blood from the lungs back into the heart.

Front

Which part of the heart is responsible for pumping oxygenated blood to the body?

Back

The Left Ventricle is responsible for pumping oxygenated blood to the body.

Front

How does deoxygenated blood return to the heart from the body?

Back

Deoxygenated blood arrives at the heart from the body via the Superior and Inferior Vena Cava.

Front

What is the role of the Aorta in the cardiovascular system?

Back

The Aorta is the main artery that carries oxygenated blood from the heart to the rest of the body.

Front

What is the function of the pulmonary arteries?

Back

The pulmonary arteries carry deoxygenated blood from the heart to the lungs for oxygenation.

Front

What is the difference between oxygenated and deoxygenated blood?

Back

Oxygenated blood is rich in oxygen and is carried from the lungs to the body, while deoxygenated blood is low in oxygen and is carried from the body back to the heart.

Front

What is the role of the heart valves?

Back

Heart valves ensure unidirectional blood flow through the heart chambers and prevent backflow.

Front

What is the significance of the septum in the heart?

Back

The septum is a wall that separates the left and right sides of the heart, preventing the mixing of oxygenated and deoxygenated blood.