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Terms from our Sheep heart dissection lab. Use to study for quiz!

Right Atrium

The part of the heart where blood from the Vena Cava enters the heart.


The structure that separates the left and right sides of the heart.

Pulmonary Artery

The blood vessel that leaves the right ventricle of the heart with deoxygenated blood, taking it to the lungs so carbon dioxide can be expelled.


The largest arterial blood vessel that leaves the heart through the left ventricle with oxygenated blood.

Left Ventricle

The part of the heart that has the thickest muscle wall which is responsible for pumping oxygenated blood to all parts of the body.


The fibrous sac that surrounds the heart.

Semi-lunar Valve

The type of valve that is at the exit of both ventricles.

Vena Cava

The largest vein that enters the Right Atrium while carrying deoxygenated blood.


The name of the bottom pointed region of the heart.


Important structure in the circulatory system, responsible for the exchange of gases, whereby the Pulmonary Artery brings deoxygentated blood to the lungs and the Pulmonary Vein sends oxygenated blood from the lungs.


The texture of the inside of the heart.

Left Atrium

The place at which Pulmonary Veins, carrying oxygenated blood, enters the heart.


Blood vessels that leave capillary beds. All veins return blood.


The type of blood vessel that leaves the right ventricle. All arteries send blood away.

Pulmonary Vein

The blood vessel that carries oxygenated blood to the heart.

AV node

One of the three structures in the heart that control the heart beat rhythm.

SA node

One of the three structures in the heart that control the heart beat rhythm.

Bundle of His

One of the three structures in the heart that control the heart beat rhythm.

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