TeachEngineering
Teach Engineering: Body Circulation
Middle schoolers are introduced to the circulatory system, the heart, and blood flow in the human body. Through guided pre-reading, during-reading and post-reading activities, students learn about the circulatory system's parts,...
Merck Sharp & Dohme Corp.
Merck Manual: Biology of the Heart
The Merck Manual describes the human heart and shows how the heart pumps blood. Includes interactive 3D models.
Exploratorium
Exploratorium: Science Snacks: Seeing Your Retina
Try this experiment where you examine the blood vessel network of your retina and the eye's blind spot. Includes a safety precaution.
CK-12 Foundation
Ck 12: Life Science: 11.21 Cardiovascular System
Understand the structure and function human cardiovascular system.
CK-12 Foundation
Ck 12: Biology: Circulatory System Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the circulatory system.
PBS
Pbs Teachers: Scientific American: Growing Up Different: Williams Syndrome
Explore the physical problems associated with Williams Syndrome and explain the role of elastin in body structure and function. Investigate the relationship between blood vessel diameter and hypertension and take a person's blood pressure.
CK-12 Foundation
Ck 12: Life Science: Circulation and the Lymphatic System
[Free Registration/Login may be required to access all resource tools.] The lymphatic system is a network of vessels and tissues that carry a clear fluid called lymph. The lymphatic system works with the cardiovascular system to return...