Circulatory System

Front

What is the primary function of the pulmonary artery?

Back

The pulmonary artery is responsible for delivering deoxygenated blood from the heart to the lungs for oxygenation.

Front

Which component is NOT found in blood?

Back

Villi are not a component of blood.

Front

Where does deoxygenated blood enter the heart?

Back

Deoxygenated blood enters the heart at the right atrium.

Front

What is the pathway of deoxygenated blood to the lungs?

Back

Deoxygenated blood is delivered to the lungs via the pulmonary artery.

Front

What are veins and how do they differ from arteries?

Back

Veins are thinner-walled vessels containing valves, while arteries are thicker-walled vessels.

Front

What is the role of valves in veins?

Back

Valves in veins prevent the backflow of blood and ensure it flows towards the heart.

Front

What type of blood do arteries typically carry?

Back

Arteries typically carry oxygenated blood away from the heart, except for the pulmonary artery.

Front

What is the significance of the right atrium in the circulatory system?

Back

The right atrium receives deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What is the difference between systemic and pulmonary circulation?

Back

Systemic circulation refers to the flow of oxygenated blood from the heart to the body, while pulmonary circulation refers to the flow of deoxygenated blood from the heart to the lungs.

Front

What is the function of capillaries in the circulatory system?

Back

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