circulatory worksheet Flashcards
Small arteries that deliver blood to capillaries
Arterioles
The largest artery in the human body
Aorta
Layer of simple squamous epithelium lining all blood vessels
Endothellium
Cerebral circulation is the route for what
Blood to Brain
Capillaries with no gaps between endothelial cells
Present in nervous and muscle tissue
Continuous Capillaries
Middle layer of blood vessel walls, consisting of smooth muscle cells and elastic and collagen fibers
Tunica Media
Largest diameter arteries; often called conducting arteries
Elastic Arteries
Deposittion of a fat-like substance containing cholesterol in walls of arteries to form plaques
Atherosclerosis
Degenerative changes in arteries that make them less elastic
Arteriosclerosis
Blood passes from right ventricle directly into this vessel
Pulmonary Valve
Portion of the aorta that gives rise to the right and left coronary arteries
Ascending Aorta
Longest part of the aorta, running from the aortic arch to the common iliac arteries
Descending Aorta
Vein that returns blood from the head, neck, thorax, and upper limbs to the heart
Superior Vena Cava
______________is a bulge in a weakened blood vessel wall
Aneurysm
Vessels with the lowest resistance
Veins