I\'ve listed some helpful videos, However, you can find all of the answers in th

Question

I've listed some helpful videos, However, you can find all of the answers in the Blood Vessel/Circulation PowerPoint. Also, reference your text if necessary. Complete the tables. Answer the questions. Keep answers straightforward and simple. A. Layers of Blood Vessels: video below Also, refer to PowerPoint on BVs and Circulation Carry blood (towers or away from heart) In systemic circuit: Oxygen (rich vs poor) In pulmonary circuit: oxygen (rich vs poor) Pressure in vessel (high vs low) Volume in vessel(high vs low) Contains valves (yes or no) Smooth muscle in wall of vessel (thick vs thin) Amount of elastin fibers in well of vessel (many vs few) Diameter of lumen (small vs large) Shape of vessel when cross-sectioned (round vs oblong)

Explanation / Answer

Arteries Veins

Carry blood: Away from heart Towards heart

In systemic circuit:   

Oxygen Rich Poor

In pulmonary circuit:

Oxygen Poor Rich

Pressure in vessel High Low

Volume in vessel Low High

Contains valves No Yes

Smooth muscle in wall of vessel Thick Thin

Amount of elastin fibre in wall of vessel Many Few

Diameter of lumen Small Large

Shape of vessel when cross sectioned Round Oblong

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