The Blood Vessels

1. Distinguish among the types of blood vessels on the basis of their structure and function. 
2. Describe how and where fluid and dissolved materials enter and leave the cardiovascular system. 
3. Demonstrate how to use a sphygmomanometer. 

Part A  The Difference Between Blood Vessels  
 
 
 

Question: Why do capillaries allow diffusion of materials in and out, but arteries and veins do not?

  Submit your completed matrix and your answer to the question to the instructor. 

Part B  Blood Pressure, Pulse Rate and Heart Sounds 

Directions 

1. Using the attached information sheet, determine and record the blood pressure and pulse rate of your partner.  

2. Then, listen to the heart sounds of your partner. 

3. Reverse your roles, and have your partner determine and record your blood pressure and pulse rate and listen to your heart sounds.

Answer the following:

a. Explain  the two numbers of your blood pressure mean. 
b. Explain what the mean arterial pressure calculates means, psychologically. 

  Submit your output to the instructor.