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.
Science Buddies
Science Buddies: Can Your Body Temperature Tell the Time of Day?
If you have ever had to adjust to a new time zone, you have noticed that it takes a while before you start to feel normal again. By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms....
BBC
Bbc: Human Anatomy: Organs
Explore the anatomy of the human body. Click on an organ or other body part to read more about its structure and function, and then try out an interactive activity for that organ.
The Franklin Institute
Franklin Institute Online: How Your Body Is Like a Factory
This site explores the various systems in the human body such as the circulatory, respiratory, and excretory systems.
SEDL
The Human Body [Pdf]
A large PDF unit that teaches students about the human body systems. Incorporates many activities and integrates math and language arts.
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.
Other
World Invisible: The Human Circulatory System: Blood Circulation
A labeled diagram of the major veins and arteries in the human body.
Science Buddies
Science Buddies: Heart Rate Recovery Times
After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.
Science Buddies
Science Buddies: A Day in the Life of Your Heart
Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...
Other
Danil Hammoudi, Md: Anatomy and Physiology Course
This page has complete course material for a beginning human anatomy course and everything can be downloaded. There are readings and presentations on all the major systems and organs of the human body, with lots of detailed, labeled...
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.
Gateway Community College
James Crimando: Cardiovascular System
Learn the anatomy of the human cardiovascular system.
Other
Inside the Human Body: The Respiratory System (Grades 1 3)
Students in grades one through three will love learning about the body's respiratory system through a variety of fun and interactive activities. Particularly engaging is the online storybook that teaches children about the heart and...
Texas Education Agency
Texas Gateway: Fluid Statics: Pressures in the Body
By the end of this section, you will be able to explain the concept of pressure in the human body; explain systolic and diastolic blood pressures; and describe pressures in the eye, lungs, spinal column, bladder, and skeletal system.
ClassFlow
Class Flow: Human Body Systems
[Free Registration/Login Required] This flipchart introduces students to some of the major organs of the human body. Visual aids provide focused information on the heart and circulatory system as well as the brain and the eye.
TeachEngineering
Teach Engineering: Body Circulation
Students 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, functions and...
PBS
Pbs Learning Media: Amazing Heart Facts
This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.
National Institutes of Health
National Heart, Lung and Blood Institute: What Are the Lungs?
Find excellent information about the human lungs, and how they contribute to the gas exchange process for the body. Inside, find detailed illustrations and a short, narrated animation of the respiratory system at work.
Untamed Science
Untamed Science: Biology: Human Biology: Circulatory System
Read and watch how the blood, the heart, and the blood vessels keep the blood flowing through our bodies. [6:00]
North Central Regional Educational Laboratory
Kids learn.org: Circulatory System
What do you know about the circulatory system? This site features several links to help you increase your knowledge of this fascinating human body system.
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: How the Body Works
A colorful, interactive site for kids and teens. A holistic approach to learning about your body, including topics such as feelings, drugs, injuries, and other health issues. Available in Spanish.
Science Buddies
Science Buddies: Effects of Exercise: Changes in Carbon Dioxide Output
Everybody knows that your body needs oxygen to keep going, and that you breathe out carbon dioxide as waste. What happens when you exercise? You've probably noticed that you breathe faster, and your heart beats faster. What triggers your...
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.