Cardiac Cycle

Front

What is Systolic Pressure?

Back

The pressure in the arteries when the heart beats and pumps blood.

Front

What does an electrocardiogram measure?

Back

The electrical activity of the heart.

Front

What causes the 'Dub' sound in the heart's LUB DUB?

Back

The closing of the Semilunar Valves.

Front

Which factors affect Blood Pressure?

Back

Blood volume, Stress, Blood viscosity.

Front

What is the function of the Right Atrium?

Back

Receives blood from the body that is low in oxygen and high in carbon dioxide.

Front

What is Diastolic Pressure?

Back

The pressure in the arteries when the heart is at rest between beats.

Front

What is the role of the Atrioventricular valves?

Back

They prevent backflow of blood from the ventricles to the atria during contraction.

Front

What is Blood Viscosity?

Back

The thickness and stickiness of blood, which affects its flow.

Front

What is the significance of the Pulmonary Trunk?

Back

It carries deoxygenated blood from the right ventricle to the lungs.

Front

What is the function of the Left Ventricle?

Back

Pumps oxygenated blood to the body through the aorta.