University of Utah
University of Utah: Cardiovascular Pathology Index
This site features a detailed index of photographs for cardiovascular pathology. You can see what a normal human heart looks like and what a sick one looks like too. Come and check it out.
Earth Life
Earth Life: Blood
A very good description of the blood and circulatory systems of mammals and the important role that blood plays in the physiology of animals.
BioMan Biology
Bio Man Biology: Angry Aliens: Physiology
Game looking at the major systems of the human body. Covers the cardiovascular, respiratory, digestive, and excretory systems.
National Institutes of Health
Pdf: Prevention of Heart Disease (Spanish) [Pdf]
A downloadable PDF comic book in Spanish with information on how to prevent heart disease and promote healthy hearts.
National Institutes of Health
Nhlbi: Heart Health and Prevention of Heart Disease [Pdf]
A downloadable PDF comic booklet with information on how to prevent heart disease and promote healthy hearts.
Sophia Learning
Sophia: Animals: Human Cardiovascular System: Lesson 1
This lesson provides an overview that explains the cardiovascular system in humans. It is 1 of 4 in the series titled "Animals: Human Cardiovascular System."
Sophia Learning
Sophia: Cardiovascular System
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.
CK-12 Foundation
Ck 12: Biology: Heart
[Free Registration/Login may be required to access all resource tools.] Describes how the heart pumps blood throughout the body.
Curated OER
Kids Health: How the Body Works Movies and Activities
Short, colorful movies explain each of the body's systems: skeletal, cardiovascular, digestive, urinary, respiratory, endocrine, skin, immune, muscular, and nervous. Once you've seen the movie, click on the Activity Page link for...
Curated OER
Kids Health: Blood
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.
American Academy of Family Physicians
Family doctor.org: Peripheral Arterial Disease and Claudication
This article provides information about peripheral arterial disease and claudication (poor circulation) and related health problems it.
CK-12 Foundation
Ck 12: Biology: Circulatory System
[Free Registration/Login may be required to access all resource tools.] Covers the pathways of the pulmonary and systemic circulations.
BBC
Bbc: Gcse Bitesize: Cardiovascular System
A great overview of the Cardiovascular System, its structure and functions. See diagrams of the heart, and learn how the blood flows through the heart.
CK-12 Foundation
Ck 12: Life Science: Cardiovascular System Health
[Free Registration/Login may be required to access all resource tools.] There are many risk factors that can cause a person to develop cardiovascular disease. A risk factor is anything that is linked to an increased chance of developing...
CK-12 Foundation
Ck 12: Life Science: Cardiovascular System
[Free Registration/Login may be required to access all resource tools.] Your cardiovascular system has many jobs. At times the cardiovascular system can work like a pump, a heating system, or even a postal carrier. To do these tasks,...
Other
World Invisible: The Human Circulatory System: Blood Circulation
A labeled diagram of the major veins and arteries in the human body.
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Cardiovascular System
[Free Registration/Login may be required to access all resource tools.] Discusses the parts and functions of the 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.
CK-12 Foundation
Ck 12: Fourth Grade Science
This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.
CK-12 Foundation
Ck 12: Life Science: 11.25 Blood Pressure
Take a look at blood pressure in the human body.
CK-12 Foundation
Ck 12: Life Science: 11.21 Cardiovascular System
Understand the structure and function human cardiovascular system.
Treehut
Suzy's World: Blood
Use this site to find out why your body needs blood with this quick fact sheet. You can also try an experiment with your pulse.
University of Arizona
The University of Arizona: Pressure and Blood Flow
Article that explains what two things control our blood pressure. Part of a larger page on Mathematics and Blood Flow. Includes a quiz on pressure difference and resistance at bottom of the page.