Texas Heart Institute
Texas Heart Institute: Heart Information Center: Pacemaker
Article on arrhythmias with information about the heart's pacemaker.
PBS
Pbs Learning Media: Map of the Human Heart
See how the human heart moves blood through the body in this animated feature from the NOVA: "Cut to the Heart" Web site.
BiologyWise
Biology Wise: A Detailed Description of the Anatomy of Spiders
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.
Untamed Science
Untamed Science: Biology: Human Biology: Blood
Learn about the structure and function of human blood as well as the composition of this complex substance in the human body through a series of video clips.
OpenStax
Open Stax: Smooth Muscle
This site provides an explanation of smooth muscle, muscle that is present in the walls of hollow organs like the urinary bladder, uterus, stomach, intestines, and in the walls of passageways, such as the arteries and veins of the...
OpenSciEd
Open Sci Ed: Net Logo: Villi Absorption
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.
Other
A Look Inside: Human Body
Learn how our body works at this personal site from a fourth grade teacher. Colorful graphics and lots of fun facts.
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.
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.
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.
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.
PBS
Pbs Nova Online: Amazing Heart Facts
This concise PBS NOVA site contains interesting facts about the heart and how it works.
Other
K 3 Learning Pages: Reptiles and Amphibians
Come and discover more about reptiles and amphibians when you explore this awesome resource. This site is filled with useful links.
Other
Read Works: The Human Body: The Human Heart [Pdf]
An informational text about the human heart, its parts, and it functions. A question sheet is available to help students build skills in reading comprehension.
PBS
Pbs Teachers:scientific American: Affairs of the Heart: Exploring Vessel Physics
Explore the relationship between pressure and vessel diameter and create a model that represents how elevated blood pressure may affect weakened vessels. Design and critique a repair device.
PBS
Pbs Teachers: Scientific American: Body Building: One Way Valves
Investigate biotechnology design by creating a model of a one-way valve from plastic tubing. Describe the mechanical action of the valve.
Annenberg Foundation
Annenberg Learner: Journey North: Facts About Earthworms
A comprehensive resource on earthworms, offering the following sections: "Facts about Earthworms," "Migration and Annual Cycle," and "Lessons Activities and Information."
PurposeGames
Purpose Games: The Heart
Test your knowledge of the heart by finding the different parts in this 13 question quiz.
CK-12 Foundation
Ck 12: Biology: Blood Vessels
[Free Registration/Login may be required to access all resource tools.] Discusses the different types of blood vessels and their roles.
WebMD
Web Md: Congenital Heart Disease
WebMD offers information on congenital heart disease, including types, symptoms, diagnosis, and treatment.
CK-12 Foundation
Ck 12: Life Science: Heart
[Free Registration/Login may be required to access all resource tools.] What does the heart look like? How does it pump blood? Learn more about the heart in this learning module produced by CK-12.
PBS
Nova Online: Map of the Human Heart
This PBS site has a concise explanation of how the heart works. There is also a moving diagram of a working heart.