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An Internet WebQuest
Integrate the power of the Web with this inquiry-oriented student learning activity
Chapter 39: Respiration, Circulation, and Excretion
The Heart: An Online Exploration
Visit this site for a discussion of the development and structure of the heart. Follow the path of blood through blood vessels.
How to Keep Your Lungs Healthy
Follow the link above for a description of the lungs and the respiratory system. What are the warning signs of lung disease? How can you protect your lungs?
Your Kidney's and How They Work
The National Kidney and Urologic Diseases Information Clearinghouse (NIDDK) sponsors this site detailing how your kidney's work. Read "what do my kidneys do?". How much blood goes through the kidneys in one day? How much waste product is removed from that blood?
