Open Curriculum
Open Curriculum: Cell Structures
An illustrated overview of the structure and function of the cell and its structures.
Mocomi & Anibrain Digital Technologies
Mocomi: Cell Structure and Function
Explains cell structure and function and describes the parts of a cell.
Khan Academy
Khan Academy: Passive Transport & Active Transport Across Cell Membrane Article
The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units. Learn how the membrane functions to...
Open Curriculum
Open Curriculum: The Skeletal System
After studying this article, students will be able to identify the functions and structure of bones, types of bones, bone development, parts of bones, types of joints, and bone disorders.
Khan Academy
Khan Academy: Signal Propagation: The Movement of Signals Between Neurons
This article explains how the nervous system transmits signals along and between neurons.