BIOS 1030 Lecture Notes - Lecture 8: Muscular Layer, Smooth Muscle Tissue, Blood Vessel

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Veins: carry blood to the heart: compare the structure of a vein and an artery based on the size of the smooth muscle layer and the center/lumen and why they are different. Made of a single layer of epithelial cells. The site of exchange between blood and cells. Where small venules and arterioles meet: describe 4 things that keep blood in veins going in the right direction back towards the heart. No, valves are found in the heart: the heart is divided into a right and left side. Left ventricle --> aorta: explain the systemic circuit and the pulmonary circuit. Every time blood goes through the heart in one of these circuits it must pass blood goes through the heart in one of these circuits it must pass through 2 chambers (both and atria and a ventricle). Superior/inferior vena cava --> r atrium --> pulmonary valve --> Pulmonary trunk --> r & l pulmonary artery --> lungs.

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