Heart Review

Front

What is the function of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs for exhalation.

Front

What is hypertension?

Back

Hypertension, or high blood pressure, is a condition where the force of the blood against the artery walls is too high, which can lead to health problems.

Front

What is the role of the pulmonary artery?

Back

The pulmonary artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Front

What is the role of the pulmonary vein?

Back

The pulmonary vein carries oxygenated blood from the lungs back to the left atrium of the heart.

Front

What are the four chambers of the heart?

Back

The four chambers of the heart are the right atrium, right ventricle, left atrium, and left ventricle.

Front

What is the difference between arteries and veins?

Back

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

Front

What is the function of the left atrium?

Back

The left atrium receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.

Front

What is the function of the right ventricle?

Back

The right ventricle pumps deoxygenated blood to the lungs through the pulmonary artery.

Front

What is cardiac output?

Back

Cardiac output is the volume of blood the heart pumps per minute, calculated as heart rate multiplied by stroke volume.

Front

What is the significance of the sinoatrial (SA) node?

Back

The SA node is known as the heart's natural pacemaker; it initiates the electrical impulses that regulate heartbeats.