Biology Facts Practice 13: The Human Heart

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15 Terms

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Superior vena cava

A blood vessel that carries blood from the upper half of the body to the heart.

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Inferior vena cava

A blood vessel that carries blood from the liver to the heart.

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Right atrium

Receives de-oxygenated blood from the vena cava.

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Right ventricle

Pumps deoxygenated blood to the lungs.

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Tricuspid valve

A one-way valve for blood flowing from the right atrium to the right ventricle

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Pulmonary valve

A one-way valve for blood flowing from the heart to the lungs.

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Pulmonary artery

A blood vessel that carries blood from the right ventricle to the lungs.

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Aorta

A blood vessel that carries oxygenated blood from the left ventricle to the body.

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Left atrium

Oxygenated blood from the lungs enters the heart here.

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Left ventricle

Pumps oxygenated blood to the body. The most muscular chamber of the heart.

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Mitral valve

A one-way valve for blood entering the left atrium.

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Aortic valve

A one-way valve for blood exiting the heart.

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Pulmonary vein

A blood vessel that carries oxygenated blood to the heart.

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FALSE

All veins carry only deoxygenated blood back to the heart.

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True

Humans have four-chambered heart, frogs have a three-chambered heart, and fish have a two-chambered heart.