See how the human heart moves blood through the body in this animated feature from the NOVA: "Cut to the Heart" Web site.

Learn about the three basic layers of the vascular system by examining cell and tissue specimens from those layers.

This pathway is designed to introduce you to body system called the cardiovascular system. You will learn what the cardiovascular system is, what it does and what organs and other structures it is composed of.

Online interactive game consists of three consecutive episodes. The storyline addresses three different body systems and their functions while teaching about alcohol's interaction with each of them, misconceptions about alcohol, medical...

William Harvey, doctor during the Age of Enlightenment, challenged mainstream understanding of the heart and the circulation of blood. Read about his early education and his scientific inquiry.

This site from the Department of Chemistry at the Washington University provides a deetailed study of the role of hemoglobin in blood physiology. The article is somewhat in-depth, complete with pictures, charts, and a bibliography.

Learn all about the normal heart including how it works and the parts of the heart.

[Free Registration/Login may be required to access all resource tools.] Covers the pathways of the pulmonary and systemic circulations.

Find out what the circulatory system is made up of, how it works, and what systems it interacts with.

A very good site about the circulatory system of a bird. It is reader friendly, and includes a fair amount of information. Good diagram of the circulatory system.

In this lesson students learn about the circulatory system and how it relates to engineering. Then in a hands-on activity they create a model of blood. Students also act out cholesterol in a blocked artery and look at blood cell in a...

Practice questions related to the circulatory system.

This StudyCards stack enables students to review the vocabulary and physiology of the circulatory system.

An activity where students take on the roles of parts of the circulatory system, and simulate the transport of nutrients, oxygen, and carbon dioxide through the blood stream.

The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.

In this lesson plan learners are introduced to heart-related data, such as blood pressure and oxygen saturation. They will also learn basic information about the heart and circulatory system.

This thorough resource provides listing of ten unique characteristics peculiar to the cardiovascular system along with an examination of these ten factors individually.

In this activity students explore the human heart and circulatory system. To promote deeper understanding of key concepts, the activity also includes a procedure for observing preserved sheep hearts.

This site explores the various systems in the human body such as the circulatory, respiratory, and excretory systems.

Game looking at the major systems of the human body. Covers the cardiovascular, respiratory, digestive, and excretory systems.

Test your knowledge of the heart by finding the different parts in this 13 question quiz.

Read this passage and study the graphic to complete the five-question quiz related to the Chronic myelogenous leukemia and Philadelphia Chromosome.

An explanation the mole (named for molecule) and Avogadro's Number. One mole of a substance is equal to 6.022 times 10 to 23rd power units of that substance (such as atoms, molecules, or ions). The number 6.022 time 10 to 23rd power is...

Take an interactive tour of the human heart. Click on each part of the illustration to read more information about each structure.