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The Structure of the Heart. Click to Continue. The Structure of the Heart. Click on the different regions of the heart. Right Atrium. Blood is brought back to the heart via the veins, where it arrives at the Right Atrium. Click anywhere on the page to continue. Right Ventricle.

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the structure of the heart2
The Structure of the Heart

Click on the different regions of the heart.

right atrium
Right Atrium
  • Blood is brought back to the heart via the veins, where it arrives at the Right Atrium.

Click anywhere on the page to continue.

right ventricle
Right Ventricle
  • Blood is pumped from the Right Ventricle to the lungs to be oxygenated.

Click anywhere on the page to continue.

left atrium
Left Atrium
  • Oxygenated blood that is returning from the lungs arrives at the Left Atrium

Click anywhere on the page to continue.

left ventricle
Left Ventricle
  • Blood is pumped from the Left Ventricle around the body.

Click anywhere on the page to continue.

aorta
Aorta
  • Blood leaves the left ventricle via the Aorta.

Click anywhere on the page to continue.

pulmonary artery
Pulmonary Artery
  • Blood leaves the left ventricle via the Pulmonary Artery. This is the only artery in the body that carries deoxygenated blood.

Click anywhere on the page to continue.

pulmonary valve
Pulmonary Valve
  • This semi-lunar (half moon) valve stops blood that is being pumped to the lungs flowing back into the heart.

Click anywhere on the page to continue.

tricuspid valve
Tricuspid Valve
  • The Tricuspid Valve has 3 cups. As the Right Ventricle contracts, this valve closes to prevent the blood being pumped into the atrium. Instead the blood goes into the Pulmonary Artery.

Click anywhere on the page to continue.

septum
Septum
  • The Septum keeps the 2 sides of the heart separate from each other.

Click anywhere on the page to continue.

dicuspid valve
Dicuspid Valve
  • The Dicuspid valve has 2 cups. As the Left Ventricle contracts, this valve closes to prevent the blood being pumped into the atrium. Instead the blood goes into the Aorta.

Click anywhere on the page to continue.

chordinae tendinae
Chordinae Tendinae
  • These strong fibres prevent the valve from opening under the considerable pressure that the ventricle exerts.

Click anywhere on the page to continue.