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Biology Circulatory System > Blood Vessels > Flashcards

Blood Vessels Flashcards

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1
Q

Which blood vessels transport oxygenated blood to cells?

A

Arteries

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2
Q

Which blood vessels transport deoxygenated blood to cells?

A

Veins

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3
Q

Which blood vessels transport blood to individual cells once it is transported to organis?

A

Capillaries

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4
Q

Which blood vessels transport waste products from the cells?

A

Capillaries

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5
Q

Which blood vessels transport waste products away from organs?

A

Veins

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6
Q

Which blood vessels transport oxygenated blood to organs?

A

Arteries

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7
Q

How are arteries and veins joined together?

A

By capillaries

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8
Q

Which blood vessels travel away from the heart?

A

Arteries

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9
Q

Which blood vessels travel to the heart?

A

Veins

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10
Q

What is the walls of blood vessels made up of?

A

Muscle and elastin

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11
Q

Why do arteries not have valves?

A

Because they have a high pressure so blood won’t flow back anyway

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12
Q

Why do veins have valves?

A

Because they transport blood at a low pressure and without the valves blood will flow blackwards

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13
Q

What is the function of the thick outer collagen wall in arteries?

A

Help withstand blood pressure and stops the artery from bursting

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14
Q

What is the function of the thick elastic and smooth muscle tissue in the middle tissue layer of arteries?

A

Allows the vessel to stretch and recoil which helps maintain blood pressure and push blood along

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15
Q

What are the smallest arteries known as?

A

Arterioles

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16
Q

Why do veins have a lower resistance to mass flow of blood?

A

They have a lower pressure

17
Q

Why are the walls in veins thinner?

A

There is less elastic tissue and smooth muscle in the middle layer as the blood is under lower pressure

18
Q

What are the smallest veins known as?

A

Venules

19
Q

What is the wall of capillaries made up of?

A

One cell thick endothelium

20
Q

What is the function of endothelium?

A

Provide a short diffusion distance for gas exchange (of O2 and CO2) and other substances (glucose)

21
Q

What is the function of gaps between cells?

A

Allows exchange of materials

22
Q

What is the word equation of aerobic respiration?

A

Glucose + oxygen –> carbon dioxide + water + ATP

23
Q

Why is oxygen needed in cells of organs?

A

So the cells can do aerobic respiration and use the oxygen to release energy from glucose

Biology Circulatory System (6 decks)

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