Biology 3.1.2 Features of blood vessels

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A level Biology (3.1.2 Transport in animals) Flashcards on Biology 3.1.2 Features of blood vessels, created by Sam Gunnell on 28/02/2019.
Sam Gunnell
Flashcards by Sam Gunnell, updated more than 1 year ago
Sam Gunnell
Created by Sam Gunnell over 5 years ago
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Resource summary

Question Answer
What blood vessel does this describe?: Large amounts of elastic tissue Artery
What blood vessel does this describe?: Small amounts of elastic tissue Vein
What blood vessel does this describe?: There is no elastic tissue Capillaries
What does elastic tissue do in blood vessel walls? Allows walls to stretch and recoil to expand the lumen
What blood vessel does this describe?: There is large amounts of smooth muscle Arteries
What blood vessel does this describe?: Small amounts of smooth muscle as their is no need for blood to be diverted Veins
What blood vessel does this describe?: There is no smooth muscle Capillaries
What blood vessel does this describe?: Very smooth so blood can flow easily to reduce the risk of blood clots Artieries and veins
What blood vessel does this describe?: Walls are completely made of endothelium and no other layers so speed up the exchange of substances Capillaries
In what arteries are valves found in? Aorta and pulmonary arteries
What blood vessel does this describe?: All of these have valves Veins
What blood vessel does this describe?: No valves Arteries and capillaries
Why do capillaries have thin walls? Brings the blood and cells as close as possible to eachother
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