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

Detailed information about the many functions and components of the cardiovascular system. Also looks at the lymphatic system and cardiovascular disease.

This resource provides a look at the circulatory system of a frog in dissection.

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.

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.

In this unit teachers will evaluate student's current understanding of the heart and circulatory system through a pre-assessment. They will develop group concept maps and then repeat the assessment. Teachers can compare their prior...

Take a look at the parts of the cardiovascular system including all of the major arteries and veins. Make sure to click on the interactive animation to find additional information.

This lesson describes how the circulatory system works, including the heart, blood vessels and blood. Students learn about the chambers and valves of the heart, the difference between veins and arteries, and the different components of...

This is a student-led exploration of the systems of the human body, through technology. Students will work cooperatively to develop a PowerPoint presentation that will thoroughly explain each system. Systems included are: circulatory...

Describes the parts of a rat's circulatory system and how the blood circulates in a rat.

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 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.

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.

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.

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.

Learn the structure and function of the blood vessels of the human cardiovascular system.

In this instructional activity students will use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the body.

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

This comprehensive site from Kids Health provides an indepth look at the characteristics of blood, its functions, and its importance. This site is a great starting point for understanding blood. Also includes links to similar sites.

Whiteflies are a group of closely related insect species whose larvae live on plants. Like aphids, they suck nutrients from the plant's circulatory system. You will be asked to find the most effective method for fighting a whitefly...