Nature Research
Nature Education: Scitable: Essentials of Cell Biology
Explains how cells send and receive signals. Includes a quiz that can be completed after free registration.
Khan Academy
Khan Academy: Neuron Action Potentials: The Creation of a Brain Signal
Explains how neurons work during the formation and transmission of brain signals.
Khan Academy
Khan Academy: Action Potential Velocity
Brain cells called neurons send information and instructions throughout the brain and body. The information is sent via electro-chemical signals known as action potentials that travel down the length of the neuron. These neurons are then...
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.
Other
World of Molecules: 3 D Structure Files
Investigate the three-dimensional structure of various molecules- both organic and inorganic.
Other
World of Molecules: Molecules of Life
Investigate the three-dimensional structure of different types of organic molecules.
![Society for Neuroscience: Brain Facts [Pdf] Activity](https://content.lessonplanet.com/knovation/original/113866-cd2169bec6c0105fc678c671521bd642.jpg?1661266885 "Society for Neuroscience: Brain Facts [Pdf] Activity")
Other
Society for Neuroscience: Brain Facts [Pdf]
This is a publication on the human brain and how it works. Gives details on the neuron, how the senses interact with the brain and much more. PDF (requires Adobe Reader).
PBS
Wnet: Thirteen: Pbs: Do All Drugs Affect the Brain Similarly?
Discusses the mechanism by which drugs effect the brain. Contains links which discuss other aspects of drug addiction.
Other
Posit Science: The Brain 101
Learn about the structure of the human brain with this interactive diagram. Also, find out about neurons, message transmission, and other factors that affect brain function.
Curated OER
Kids Health: Autism
People with autism can often feel isolated or somewhat helpless. This site provides background information about this condition, treatments, behaviors it illicits, and ways in which people cope with it. Links to related sites are...
CK-12 Foundation
Ck 12: Biology: Nerve Impulses
[Free Registration/Login may be required to access all resource tools.] Discusses how nerve impulses are transmitted.
CK-12 Foundation
Ck 12: Life Science: Nerve Cells and Nerve Impulses
[Free Registration/Login may be required to access all resource tools.] The nervous system is made up of nerves. A nerve is a bundle of nerve cells. A nerve cell that carries messages is called a neuron. The messages carried by neurons...
Khan Academy
Khan Academy: Q&a: Neuron Depolarization, Hyperpolarization, & Action Potentials
Khan Academy answers a question about hyperpolarization and depolarization with a written explanation and links to helpful videos.
Khan Academy
Khan Academy: Consciousness and Sleep Questions
This is a ten-question quiz pertaining to consciousness and sleep.
Curated OER
Neurotransmitters and Neuroactive Peptides
Very good introduction to the role that these chemicals play in the nervous system.
University of Texas at Austin
University of Texas: Neurons
Concise description of a neuron along with a graphic of the general structure. Links to the brain, neurotransmission, and neurotransmitters.
BioMan Biology
Bio Man Biology: Body Systems (Physiology) Quizzes: Nervous System Quiz #1
A multiple-choice quiz on the nervous system.
Sophia Learning
Sophia: Animals: Human Nervous System: Lesson 3
This lesson provides an overview that explains the nervous system in humans. It is 3 of 4 in the series titled "Animals: Human Nervous System."
Sophia Learning
Sophia: Animals: Human Nervous System: Lesson 4
This lesson provides an overview that explains the nervous system in humans. It is 4 of 4 in the series titled "Animals: Human Nervous System."
Sophia Learning
Sophia: Animals: Human Nervous System: Lesson 1
This lesson provides an overview that explains the nervous system in humans. It is 1 of 4 in the series titled "Animals: Human Nervous System."
Mayo Clinic
Mayo Clinic: Slide Show: How Your Brain Works
Eight slides demonstrate the human brain. Please know that the descriptive narrative is fairly short for each slide subject.
Wikimedia
Wikipedia: Exocytosis
This site from the Wikipedia Encyclopedia describes the process of exocytosis and what is accomplished by the process. Throughout this brief article, links are provided for additional information on the subject.
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