Prentice Hall Biology

37�1 The Circulatory System

1.	Key Concept List the structures of the circulatory system.
2.	Key Concept Compare the functions of the three types of blood vessels in the circulatory system.
3.	Describe the path of blood circulation through the body.
4.	What is the role of the nervous system in heartbeat regulation?
5.	Critical Thinking Inferring If you were standing, would you expect the blood pressure to be higher in your arm or in your leg? Explain your answer.

Cause and Effect

Use library or Internet resources to research the connection between a high-fat diet and cardiovascular disease. Write a short commentary that could be used on a television news program that explains the connection. Hint: Prepare a cause-and-effect diagram to organize your ideas.