CK-12 Foundation
Ck 12: Life Science: Human Digestive System
[Free Registration/Login may be required to access all resource tools.] Nutrients in the foods you eat are needed by the cells of your body. How do the nutrients in foods get to your body cells? What organs and processes break down the...
CK-12 Foundation
Ck 12: Life Science: Human Sperm
[Free Registration/Login may be required to access all resource tools.] Sperm, the male reproductive cells, are tiny. In fact, they are the smallest cells in the human body. Some people think that they look like tadpoles. Learn more...
Other
Endoplasmic Reticulum
This site provides information on the schematic and electron micrograph of endoplasmic reticulum function of both smooth and rough endoplasmic reticulum.
BiologyWise
Biology Wise: The Function of Nadh and Fadh2 in Cellular Respiration
Explains what the coenzymes NADH and FADH2 are and the roles they play in cellular energy production and respiration.
CK-12 Foundation
Ck 12: Life Science: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] Cells, like these nerve cells, do not work in isolation. To send orders from your brain to your legs, for example, signals pass through many nerve cells. These cells...
TED Talks
Ted: Ted Ed: Making Sense of How Life Fits Together
Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and our biosphere build off of each other and work together....
PBS
Pbs Teachers:odyssey of Life Ii the Unknown World
Observe organisms in various environments, determine what enables the organisms to live in that environment and discuss the varied biological functions of the organisms.
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.
Soft Schools
Soft Schools: More Molecules of Life/biochemistry Quiz
Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.
E-learning for Kids
E Learning for Kids: Science: Mexican Diner: What Are Body Systems?
Learn about the different levels of organization in living things from cells to organisms, what body systems do, and how the skeletal and muscular systems work together.
BiologyWise
Biology Wise: How to Make a 3 D Dna Model Project
Describes the steps for how to make a model of DNA using colored polymer clay and wire. Students will gain a good understanding of the structure of DNA by doing this project.
Khan Academy
Khan Academy: Nucleus and Ribosomes
Discussion in detail of the structure and function of the nucleus and ribosomes of a cell and how they work together in the production of proteins.
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Life Science: Protists Nutrition
[Free Registration/Login may be required to access all resource tools.] The cells of protists need to perform all of the functions that other cells do, such as grow and reproduce, maintain homeostasis, and obtain energy. They also need...
BBC
Bbc: Gcse Bitesize: Homeostasis in Humans
Homeostasis is the regulation of internal conditions inside cells or organisms, to create the optimum conditions for biological function, including body temperature. Links to a video and test are provided.