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There are 3 types of blood vessels: Arteries, Veins, and Capillaries. Arteries carry oxygenated blood to all the cells in the body. Veins carry deoxygenated blood back to the heart where it is pumped into the lungs. There is releases CO2 gas and picks up O2 and is pumped back into the heart where Arteries take it back to the rest of the body again. Capillaries are the smallest blood vessels connecting veins and arteries.
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Differences between vasodilation and vasoconstriction?
Vasodilation is relaxation of blood vessels leading to increase in lumen size. Vasoconstriction is contraction of blood vessels leading to decrease in lumen size.
What are the differences between arteries and veins and why are these differences necessary?
Arteries carry blood from the heart to other parts of the body. Veins are much smaller vessels that are used to bring the blood back to the heart.
Supplies blood to the lungs?
the pulmonary ateries
What do ateries carry?
Blood coming from the heart.
Describe one similarity and one differences between the muscle tissue and the blood vessels you viewed with the microscope?
Muscle tissue and blood vessels both use fibroblasts, a precursor for the smooth muscle cells that stabilize the blood vessels. One difference is that the muscle tissue requires oxygenated blood in order to function.
What is a blood clot in the ateries leading to the brain?
A blood clot in an artery is an aneurysm.
Why is the blood in your ateries is under high pressure?
Cos is fit
What are thick blood vessels?
Thick blood vessels refer to blood vessels with a relatively larger diameter and thicker walls, typically found in arteries and veins. The thickness is due to multiple layers of smooth muscle and connective tissue, which help withstand and regulate blood pressure and flow. In contrast, thinner blood vessels, like capillaries, are designed for efficient exchange of nutrients and waste between blood and surrounding tissues. Overall, the structural differences in blood vessels are crucial for their specific functions in the circulatory system.
What is a explanation for the differences in size and thickness of the different vessels?
Arteries are thicker and have more smooth muscle to withstand high pressure and maintain blood flow. Veins are thinner and contain valves to prevent backflow of blood. Capillaries are tiny and thin-walled to facilitate gas exchange between blood and tissues.
What is the relationship between heart and blood vessels?
The heart pushes blood through all the blood vessels in the body.
Star-shaped neuroglial cell between the neurons and blood vessels?
Astrocytes are star-shaped neuroglia that form the blood brain barrier between blood vessels and neurons.
What blood vessel which regulates systemic resistance. A.veins B.arteries C.arterioles d.capillaries?
The arterioles are most responsible for determining systemic vascular resistance. And small ateries and Venules are also act as resistance vessels.Resistance vessels react to the sympathetic and nervous regulations .When sympathetic n. s. is excited blood vessels constricted and blood floor reduced. Its a method of heat saving in cold weather.
