Circulation in the blood vessels Flashcards

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1
Q

arteries

A

vessels that carry blood away from the heart

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2
Q

veins

A

vessels that carry blood towards the heart

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3
Q

capillaries

A

tiny vessels that spread throughout the tissues of the body

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4
Q

lumen

A

the central space inside the blood vessel

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5
Q

arterial system

A

the system of arteries in the body

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6
Q

arterioles

A

the very smallest branches of the arterial system, furthest from the heart

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7
Q

peripheral arteries

A

arteries further away from the heart but before the arterioles

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8
Q

venules

A

the very smallest branches of the venous system, furthest from the heart

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9
Q

inferior vena cava

A

the large vein that carries the returning blood from the lower parts of the body to the heart

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10
Q

superior vena cava

A

the large vein that carries the returning blood from the upper parts of the body to the heart

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11
Q

venous system

A

the system of veins in the body

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12
Q

semilunar valves

A

half-moon shaped, one way valves found at frequent intervals in veins to prevent the backflow of blood

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