Cardiovascular System Test Review

Front

What initiates the action potential that causes the heart to beat?

Back

Sinoatrial node (SA node)

Front

Which chamber of the heart contracts to push blood through the tricuspid valve?

Back

Right atria

Front

What does pulmonary circulation carry blood between?

Back

The heart and the lungs

Front

What are the smallest blood vessels with the thinnest walls that maximize diffusion of nutrients?

Back

Capillaries

Front

What does the term 'Cardio' refer to?

Back

Heart

Front

What is the function of the right ventricle?

Back

To pump deoxygenated blood to the lungs through the pulmonary artery.

Front

What is the role of the left atrium in the cardiovascular system?

Back

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

Front

What is the main function of arteries?

Back

To carry oxygenated blood away from the heart to the body.

Front

What is the primary role of veins in the circulatory system?

Back

To return deoxygenated blood back to the heart.

Front

What is the significance of the aorta in the cardiovascular system?

Back

It is the largest artery in the body, distributing oxygenated blood from the heart to the rest of the body.