what is the difference between elastic arteries and muscular arteries quizlet?
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elastic arteries: more elastic fibers and less smooth muscle in their tunica media;muscular arteries:more smooth muscle and fewer elastic fibers.
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Compliance:Dilation of the arteries, veins in response to mechanical load. Compliance: reflects ability to change the shape of the structure when mechanical load applied. Elastance: reflects resistance to change the shape when mechanical load applied.
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Elastic fibers (or yellow fibers) are bundles of proteins (elastin) found in extracellular matrix of connective tissue and produced by fibroblasts and smooth muscle cells in arteries.
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Blood pressure in the arteries is much higher than in the veins, in part due to receiving blood from the heart after contraction, but also due to their contractile capacity. The tunica media of arteries is thickened compared to veins, with smoother muscle fibers and elastic tissue.
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Arteries take blood away from the heart to the organs and other body tissues. Arteries have a narrow internal diameter and thick muscular walls. This allows them to carry blood that is at a high pressure. ... Veins carry blood under low pressure from the capillaries and return the blood to the heart.
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Arm. The brachial artery is a blood supply vessel and is a continuation of the axillary artery. It begins under the pectoralis muscle and travels down the arm before splitting into two arteries (the radial artery and the ulnar artery) at the elbow.
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What is the difference between pressure reservoirs and blood reservoirs? ... As blood is ejected from the heart into elastic arteries, their walls stretch to accommodate the surge of blood. As they stretch, the elastic fibers momentarily store mechanical energy, functioning as a pressure reservoir.
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Arteries and veins are two of the body's main type of blood vessels through which blood flow in the body. The arteries carry oxygenated blood away from the heart while the veins carry deoxygenated blood from the tissue capillaries back towards the heart.
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As the vessels that are closest to the heart, arteries must contend with intense physical pressure from the blood moving forcibly through them. They pulse with each heartbeat (which is why your pulse is taken from an artery) and have thicker walls.
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Elastic connective tissue. Human aorta c.s. True elastic connective tissue is very rare, and we have no slide specimens that show it. But elastic fibers are present in relatively high concentration in several organs, including the largest arteries in the body.
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Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary.
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Name two structural differences between arteries and veins. Arteries have thick, elastic, muscular walls whereas veins have thin walls with few elastic fibres. Arteries need these properties to give them the strength and elasticity needed to cope with the high pressure surges of oxygenated blood coming from the heart.
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Veins are generally larger in diameter, carry more blood volume and have thinner walls in proportion to their lumen. Arteries are smaller, have thicker walls in proportion to their lumen and carry blood under higher pressure than veins. Arteries and veins often travel in pairs using the same connective tissue pathways.
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Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away.
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The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.
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Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. ... These vessels are channels that distribute blood to the body.
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Muscular endurance is the ability for your muscles to work long periods of time without tiring. Cardiovascular fitness is the ability to move blood from your heart to your muscles. Muscle strength is the amount of force your muscles can produce.