This article provides an overview of neuron structure and function in the human nervous system.

Learn about the structure and function of neurons in the nervous system.

Explore the synapse, the junction between neurons, and learn about its role in transmitting signals in the nervous system.

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Learn about the nucleus and ribosomes in cells with this Khan Academy tutorial.

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Explanation of active transport, a process requiring energy to move molecules across cell membranes against a concentration gradient.

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Aug 19, 2024 · Course mastery is a powerful, low-lift classroom tool that helps determine the grade-level skills and standards students already know and pinpoints the areas in which they could use additional support. Students can move through a year’s worth of content at their own pace. Teachers can also assign key skills for students to work on right now.

Looking at Khan Academy to where it is now, I'd think they would have released at least one course that has to do with learning how to speak a language with tutorials, practice, and tests to show your knowledge.