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arteries, capillaries, veins (veins (characteristics (have thinner walls,…
arteries, capillaries, veins
veins
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pulmonary vein
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even though it carries oxygenated blood it is still a vein, because they still enter the heart
sport
veins are important in sport because they bring de-oxygenated blood back up to the heart, to be re-oxygenated to be used in the process again
capillaries
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at each end ...
at one end, capillaries carry arterial blood, which transfers oxygen and nutrients to the blood
at the other end, they carry venous blood into the veins
gas exchange
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oxygen goes through the capillary walls and into the tissue, while carbon dioxide passes from the tissue to the blood
arteries
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channel of blood
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the channel of blood flows through the lumen, can widen to allow more blood through
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pulmonary artery
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even though it carries de-oxygenated blood, it is still classed as an artery as it is carrying blood away from the heart.
sport
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we need blood to get to our muscles, as we need oxygen to respire/contract