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Circulatory System > Veins&Arteries > Flashcards

Veins&Arteries Flashcards

1
Q

how many layers are Veins made up of?

A

3

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2
Q

how many layers are Arteries made up of?

A

3

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3
Q

Veins & Arteries: which has a thick muscle layer rather than a thin one?

A

Arteries have thick muscle layering, Veins have thin.

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4
Q

Veins & Arteries: which has a pulse?

A

Arteries

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5
Q

Veins & Arteries: which carries deoxygenated blood?

A

Veins, Arteries carry oxygenated

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6
Q

Veins & Arteries: which is elastic? what does elastic mean?

A

Arteries, elastic means to rebound back to shape after pulse

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7
Q

Veins & Arteries: which travels TOWARDS the heart?

A

Veins

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8
Q

Veins & Arteries: which travels AWAY from the heart?

A

Arteries

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9
Q

Which vein/artery is the excpetion when it comes to carrying oxygenated/deoxygenated?

A

the pulmonary veins/arteries

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10
Q

what is vasodilation?

A

the widening of blood vessels (increase of blood flow)

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11
Q

what is vasocontraction?

A

the narrowing of blood vessels (decrease of blood flow)

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12
Q

what is the purpose of the circulatory system?

A

Transport. Gases, heat, waste, nutrients, plasma proteins, and white blood cells

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13
Q

What are the capillaries responsible for?

A

site of exchange, connects arteries to veins,(1 cell layer thick)

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14
Q

What are the branches of the cirulatory system? (4)

A

1.Systemic:
2.Coronary:
3.Pulmonary
4.Hepatic-Portal

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15
Q

What do systemic branches do?

A

vessels distribute materials to and from individual cells

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16
Q

What do pulmonary branches do?

A

vessels travelling from hearts to lungs and back to heart

17
Q

What do coronary branches do?

A

blood supply to the heart tissue

18
Q

What do hepatic-portal branches do?

A

branch of systemic systems to and from the kidneys and liver

19
Q

What is an aneurysm?

A

a bulge that developes at a weakened region in the wall of the blood vessel. Might rupture. Cells are derived of oxygen and nutrients. (due to injury or birth detect)

20
Q

what are venules?

A

little veins that regulate blood flow out of capillaries

21
Q

what are arterioles?

A

little arteries that regulate blood flow into capillaries

22
Q

What is atherosclerosis?

A

a form of arteriolsclerosis (hardening of an artery) characterized by the buildup of plaque in the walls of the vessel

23
Q

what are varicose veins?

A

veins that are dilated due to accumulation of blood. blood pressure stretches the valves and permit the backflow of blood. (pregnancy, obesity, and standing for long periods of time)

24
Q

Veins&Arteries: which has unidirected valves? what are unidirected valves?

A

Veins. Directs blood flow in one direction

Circulatory System (5 decks)

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