https://www.khanacademy.org/science/biology/human-biology/neuron-nervous-system/v/anatomy-of-a-neuron 2021-03-23T22:19:12Z Anatomy of a neuron Neurons (or nerve cells) are specialized cells that transmit and receive electrical signals in the body. Neurons are composed of three main parts: dendrites, a cell body, and an axon. Signals are received through the dendrites, travel to the cell body, and continue down the axon until they reach the synapse (the communication point between two neurons). Sal Khan video https://cdn.kastatic.org/googleusercontent/Rrix3I9XqqAtLRbxXUKH-dgpg8iVCgVIkwH2WGb-cbt6r1tfcW8YS9T18QAite6Y8CBUsVFF4sGQTwYSu-X7xbVe Anatomy of a neuron Neurons (or nerve cells) are specialized cells that transmit and receive electrical signals in the body. Neurons are composed of three main parts: dendrites, a cell body, and an axon. Signals are received through the dendrites, travel to the cell body, and continue down the axon until they reach the synapse (the communication point between two neurons). https://cdn.kastatic.org/ka-youtube-converted/ob5U8zPbAX4.mp4/ob5U8zPbAX4.mp4 373 Neurons and reflex actions https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:coordination-and-control/x2a084a90105205d2:neurons-and-reflex-actions/v/reflex-action-ur 2025-08-08T00:50:08.705567982Z Reflex action Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Reflex action Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/nb8U_L-v_U4.mp4/nb8U_L-v_U4.mp4 672 Neurons and reflex actions https://www.khanacademy.org/science/biology/human-biology/neuron-nervous-system/a/overview-of-neuron-structure-and-function 2023-09-14T11:22:40.102153098Z Overview of neuron structure and function Introduction to neurons and glia. How the structure of a neuron allows it to receive and transmit information. article