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

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

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.

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

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.

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...