A detailed overview of the circulatory system, including plasma and proteins. Designed as lesson plans, this site can be helpful for students as well.

The circulatory system and how it functions are explained. An interactive diagram shows how blood flows through the heart. Disorders of the heart and the circulatory system are also described.

Describes the anatomy of a fish's circulatory system and how the blood circulates in a fish.

Describes the parts of a pig's circulatory system and how its blood circulates. Circulation in a pig fetus is also described as it has differences.

A comprehensive guide to the various types of circulatory systems, including the vertebrate cardiovascular system, the vertebrate vascular systems, the heart, the vascular system, blood, the lymphatic system, learning objectives and...

Students will discover how atherosclerosis can cause plaque build up in the inner walls of arteries leading to hardening of the arteries which leads to cardiac disease. Students will research atherosclerosis using the Internet and...

Self-guided learning activity where students learn about the structure and function of the human cardiovascular system. There is a short quiz at the end of the lesson to check for understanding.

This thorough resource examinces the several types of circulatory systems and provides drawings of these systems in molluscs, arthropods, and the earthworms.

Overview of the cardiovascular system with labeled diagrams and reviews of the heart, torso, arm, leg, and blood, available through the links on the right.

This is a student led exploration of the systems of the human body through art and self-expression. Groups will cooperatively develop a poster, the size of a fifth-grade student, and will accurately depict the assigned system of the...

Through informational text along with printable notes, animations, video clips, and practice problems, students discover how the structures of the cardiovascular and respiratory systems work together and function as one. Provides lots of...

In this lesson, students can learn basic information about the human heart, including its role in circulation, and its external appearance.

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

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.

Describes anatomical features of a spider, including its external structure, eyes, mouth parts, digestive system, circulatory system, respiratory system, nervous system, reproductive system, and its spinnerets.

A detailed description of the human heart and its parts.

In this lesson plan site, the students will learn about the circulatory system and perform an experiment where they take their pulse after various activities.

A good quick look at the comparative anatomy of the heart of a typical bird and the human heart. Gives some of the facts behind the differences.

In this effective site, students will name the parts of the heart and trace the flow of blood through the body. Contains related links.

Where does food come from and where does it go next? This unit helps students figure out that they can trace all food back to plants, including processed and synthetic food. They obtain and communicate information to explain how matter...

Learn about the development of fetal organs and systems during the prenatal period.

This simulation explores the relationship between the amount of surface area in the small intestine and the rate at which it absorbs food particles into the circulatory system.

One-page overview containing a detailed labeled diagram of the anatomy of the heart including the valves, conduction system, and circulatory system.

How does blood supply your body with the nourishment it needs? This site focuses on systemic circulation. Learn more about this fascinating part of your body when you check out this resource.