OpenStax
Open Stax: Anatomy & Physiology: Structure and Function of Blood Vessels
Learn the structure and function of the blood vessels of the human cardiovascular system.
Sophia Learning
Sophia: Blood Vessels
This lesson will classify the various types of blood vessels depending on their structure and function.
The Franklin Institute
The Franklin Institute Online: The Structure of the Heart
Description of the structure of the heart including the valves.
BiologyWise
Biology Wise: Endothelial Cells and Epithelial Cells
Discusses the differences between endothelial and epithelial cells, including where they are found in the human body, their function, and their structure.
National Cancer Institute at the National Institutes of Health
Seer Training Modules: Introduction to the Cardiovascular System
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.
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.
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.