There are about 100,000 chemical reactions happening in your brain every second to help you sense and respond to the world around you. After a brief review of electricity, the narrator explores the action potential neurons used to sense and respond to the world. The ninth video in the series of 47, teaches high schoolers about ion channels, action potentials, resting states, depolarization, and hyper polarization.

Concepts

neurons, polarization, cell membranes

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Video contains a wealth of information; preview it and write questions, pausing the video throughout to allow for discussion

Classroom Considerations

• Assumes pupils have some understanding of sodium potassium pumps and movement of substances across a cell membrane
• Video best fits a higher level biology or anatomy class

• This video is hosted on YouTube

Pros

• Closed captioning can be viewed in nine different languages
• Video shows terms, definitions, and specific quotes throughout for greater understanding of the concepts

Cons

• None

Common Core

RST.9-10.2