Differentiate between arteries, veins, and capillaries. Describe the three tunics of a typical blood vessel. Describe the...

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Medical Sciences

Differentiate between arteries, veins, and capillaries.
Describe the three tunics of a typical blood vessel.
Describe the three types of arteries based on structure andfunction.
What are the three main arterial sense organs, what do theysense, and where are they found?
Describe the differences between a continuous capillary, afenestrated capillary and a sinusoid.
What are precapillary sphincters?
Why are veins called the capacitance vessels?
Briefly describe the five type of veins:
â€¢ â€¢ â€¢ â€¢ â€¢
What is the simplest and most common circulatory route ofblood?
10. What is the portal system, and how does it differ from thesimplest circulatory route?

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1 Arteries Veins Capillaries Pressure High low low Valves no yes no Lumen diameter narrow wide narrowest Wall thick thin very thin Layers tunica adventitia Tunia media Tunica intima Tunica adventitia Tunica media Tunica intima Tunica intima only Functions carry blood from heart to periphery carry blood from periphery to the heart exchange of nutrients 2 TUNICA INTIMA it is the innermost coat of the blood vessel It consists of Endothelial lining See Answer

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