When resting, blood goes from the heart to the lungs and back in about six seconds. An animation of the heart starts simply by showing blood flow through the two halves. It builds in complexity slowly over the course of five slides,...

In this heart health worksheet, learners use links provided to complete an activity about the human heart, measuring pulse and graphing results.

For this "All About the Heart" quiz worksheet, students interactively answer 5 questions about heart health, with the option of printing the quiz.

In this online/interactive worksheet about walking for exercise, students read about the benefits of walking their pets and answer multiple choice comprehensive questions. Students answer four multiple choice questions.

In this first conditional verb worksheet, students choose the correct form of each verb to complete the conditional sentence, with answers available.

In this modal verb learning exercise, students complete a set of 15 sentences, using words listed in boxes. Students can click on a 'check" button for immediate feedback.

Take a look at the parts of the cardiovascular system including all of the major arteries and veins. Make sure to click on the interactive animation to find additional information.

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.

Game looking at the major systems of the human body. Covers the cardiovascular, respiratory, digestive, and excretory systems.

Learners examine their risk of developing five of the most important diseases in the United States. Tips for prevention are included. The diseases evaluated are cancer, diabetes, heart disease, osteoporosis, and a stroke.

Take an interactive tour of the human heart. Click on each part of the illustration to read more information about each structure.

This resource presents brief information defining a heart attack. The article also contains many links to related topics and publications in English and Spanish.

Check Steve's cardiovascular health before he starts filming his dangerous wildlife special. Following the activity, read more about the heart, and then take a quick quiz to check for understanding.

Designed for medical students, this site gives a detailed description of the sounds of the heart and lungs, including disorders, while playing read audio of those sounds with each description. Suitable for upper level high school...

A guide to the heart, lungs, and circulatory system, and surgical procedures of the heart. Includes many digital images. Lesson plans with pictures and video instructions are very helpful.

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.

An eleven question assessment covering the circulatory and respiratory systems of the human body. After the quiz is completed, answers can be checked with a click of the mouse.

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.

In this interactive map, learn how life expectancy, obesity, hypertension, and physical activity rates have changed dramatically throughout the United States over the last three decades.