Young scientists get to the heart of the matter with this comprehensive review of the circulatory system. Addressing the different anatomical structures and processes involved in pumping blood through the human body, this worksheet...

Take your biology class on an exploration of the inner workings of cells with this multimedia presentation. Looking closely at the structure of cell membranes and the processes of osmosis and diffusion, this resource explains for...

This biochemistry practice exam queries takers on the organic molecules. Pupils write IUPAC names, identify boiling and melting points of different compounds, and more. This is definitely designed for a college-level biochemistry course,...

Students study heart disease and how to prevent it.  In this investigative activity students list heart disease and stroke risk factors. 

In this chemistry worksheet, students calculate to find the molar mass of water. Then they identify how many moles of hydrogen atoms and oxygen atoms they would have in a beaker. Students also write the chemical formula of cholesterol.

Students participate in active demonstrations to explore the understanding of cholesterol in an artery. Students stand outside hula hoops to represent an artery. When they are tagged, they become a piece of cholesterol. Students...

Students read a snack nutrition chart and answer questions. They compare nutrition levels of snack foods. They correctly calculate differences in nutritional value.

Learners create sentences, using words printed on pictures of peanuts. They are explained that the peanut is not really a nut, but a legume, related to beans and peas. Students are also told that the first peanuts grew in Brazil. They...

Online presentations on more than 150 health topics, diseases, and conditions, from acne to viruses. Each plays as a slide presentation, with sound, that you can control or set to autoplay. Time varies from 5-20 minutes. Available in...

This website provides information about nutrition, health, and heart disease. It also discusses specific types of vitamin and mineral supplements you can take to improve or maintain your health.

This site is a doctor's report on how iron intake could be related to heart attack incidents.