Blood Vessels

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How thick is the Artery wall?
Thick
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Why is the Artery this thickness?
Keeps a high blood pressure
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What is the wall made up of in the Artery?
Lots of muscle and elastic fibres
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How thick is the Capillary?
One cell thick
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Why is the Capillary this thickness?
Allow diffusion of materials
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What is the wall made up of in the Capillary?
One layer of epithelium
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How thick is the Vein?
Medium thickness
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Why is the Vein this thickness?
Resists lower blood pressure
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What is the wall of the Vein made up of?
Some Muscle and Elastic fibres
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Does the Capillary have a pulse?
No
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Does the Artery have a pulse?
Yes
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Does the vein have a pulse?
No
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Is the blood oxygenated or de-oxygenated in the Vein?
De-oxygenated - Except pulmonary vein
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Is the blood oxygenated or de-oxygenated in the Artery?
Oxygenated - Except pulmonary artery
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Is the blood oxygenated or de-oxygenated in the Capillary?
Oxygenated in lungs, De-oxygenated in other organs
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Does the Vein have a big or small lumen?
Big
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Does the Artery have a big or small lumen?
Small
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Does the Capillary have a big or small lumen?
Small
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What do Arteries do?
Carry blood away from the heart to organs
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What to Capillaries do?
Carry blood through organs
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What Diffuses in and out of capillaries?
CO2, Oxygen and Glucose
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What do Veins do?
Carry blood back from the organs to the heart
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Other cards in this set

Card 2

Front

Why is the Artery this thickness?

Back

Keeps a high blood pressure

Card 3

Front

What is the wall made up of in the Artery?

Back

Preview of the front of card 3

Card 4

Front

How thick is the Capillary?

Back

Preview of the front of card 4

Card 5

Front

Why is the Capillary this thickness?

Back

Preview of the front of card 5
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