Sophia Learning
Sophia: Animals: Human Cardiovascular System: Lesson 2
This lesson provides an overview that explains the cardiovascular system in humans. It is 2 of 4 in the series titled "Animals: Human Cardiovascular System."
Sophia Learning
Sophia: Animals: Human Cardiovascular System: Lesson 3
This lesson provides an overview that explains the cardiovascular system in humans. It is 3 of 4 in the series titled "Animals: Human Cardiovascular System."
Sophia Learning
Sophia: Animals: Human Cardiovascular System: Lesson 4
This lesson provides an overview that explains the cardiovascular system in humans. It is 4 of 4 in the series titled "Animals: Human Cardiovascular System."
Ducksters
Ducksters: Science for Kids: Blood and the Heart
Kids learn about the science of Blood and the Heart. The Human bodies energy delivery system.
Science Bob Pflugfelder
Science Bob: Body Zone: The Heart
An introduction to the different regions of the heart, along with a description of the hearts function. A good overview site.
Science Bob Pflugfelder
Science Bob: Body Zone: The Lungs
An introduction to the form and function of the lungs, including the bronchioles and alveoli.
Curated OER
Kids Health: Tu Corazon Y Sistema Circulatorio
Read about how your heart works and learn about the different parts of the heart.
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.
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.
National Institutes of Health
National Library of Medicine: Your Beating Heart
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.