Sophia Learning
Sophia: Animals: Human Digestive System: Lesson 1
This lesson provides an overview that explains the processes of digestion in humans. It is 1 of 4 in the series titled "Animals: Human Digestive System."
Other
Ucs: Functions of the Four Major Groups of Organic Molecules
Check out this chart about the four major groups of organic molecules
Khan Academy
Khan Academy: Structure of the Plasma Membrane
Article takes a look at the different components (protein, lipid, cholesterol, and carbohydrate) of the plasma membrane, examining their roles, their diversity, and how they work together to make a secure boundary around the cell.
CK-12 Foundation
Ck 12: Life Science: Carbon Cycle
[Free Registration/Login may be required to access all resource tools.] Carbon is one of the most common elements found in living organisms. Chains of carbon molecules form the backbones of many molecules, such as carbohydrates,...
PBS
Pbs Nova Teachers: Dying to Be Thin: Body Needs
Find out what the human body needs to function at its best, and why.
Soft Schools
Soft Schools: Molecules of Life Quiz
Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.