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Higher Human 2.5

2.5- Veins, Arteries + Capillaries

QuestionAnswer
What is the central lumen of all vessels lined with ? Endothelial Cells
What vessels has a thick outer wall made up of connective tissue and elastic fibres? artery
What vessel contains a thin outer wall? veins
What does does blood plasma contain that tissue fluid does not? proteins
What vessels absorb excess tissue fluid after pressure filtration? Lymphatic vessels
What causes plasma to pass through capillary walls into the tissue fluid surrounding the cells? Pressure filtration
What vessels allow exchange of substances with tissues through their thin walls? capillaries
What is the relaxation of artery walls to increase blood flow known as? vasodilation
What is the contraction of the artery walls to reduce blood flow known as? vasoconstriction
What vessel contains valves to prevent blood flowing in the wrong direction? veins
What happens to blood pressure as blood moves away from the heart? decreases
What is found in the middle layer of arteries that allows them to tolerate surge of blood? elastic fibres
What is the correct order of how blood circulates the body? heart--> arteries--> capillaries--> veins--> heart
Created by: mackas89
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