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The steepest drop in blood pressure comes just as blood enters the capillary beds.  Since structure and function go together, describe the structure of the capillaries and  why the pressure needs to be reduced before entering these vessels. 

The “dup” sound that is made during the lub-dup sounds heard while auscultating the heart is caused by:

The mitral valve has chordae tendinae.

Select all that apply: Which factors help contribute to cardiac muscles resistance to fatigue?

1. Name this region (40)  2. Name this region (41) 3. Name this structure (42)  

Name the labeled vessel. 

Name the branches of the aortic arch:

1. Which of the letters corresponds to the residual volume?  2. Which of the letters corresponds to the tidal volume? 3. Which of the letters corresponds to the vital capacity?

Name another cell type found in the blood other than the answer of the previous question. 

A patient with hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes EXCEPT: