Cardiovascular System

Front

What is the main function of the cardiovascular system?

Back

To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.

Front

What are the two main types of circulation in the cardiovascular system?

Back

Systemic circulation and pulmonary circulation.

Front

What is the role of the right atrium in the heart?

Back

To receive deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What is the role of the left atrium in the heart?

Back

To receive oxygenated blood from the lungs through the pulmonary veins.

Front

What is the function of the ventricles in the heart?

Back

To pump blood out of the heart; the right ventricle pumps blood to the lungs, and the left ventricle pumps blood to the body.

Front

What are platelets and their function?

Back

Platelets are small cell fragments that help in blood clotting and forming scabs.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.

Front

What is the significance of the aorta?

Back

The aorta is the largest artery in the body, carrying oxygen-rich blood from the left ventricle to the rest of the body.

Front

What is the role of capillaries in the cardiovascular system?

Back

Capillaries are tiny blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs between blood and tissues.

Front

What is blood pressure?

Back

Blood pressure is the force exerted by circulating blood on the walls of blood vessels, measured in millimeters of mercury (mmHg).