מדעי החיים-כיתה ח: פרק 3-מערכת העצבים: מערכת מרכזית, מערכת היקפית ונוירונים

The video is based on the topics from the textbook: Life Sciences Grade 8 Life Sciences for Grade 8 In this video we will learn about the structure of the nervous system and the way it transmits information within the body. We will understand the difference between the central nervous system and the peripheral nervous system, how information travels to and from the brain, and what the role of nerve cells, dendrites, axons, and the cerebral cortex is. Learning Objectives: At the end of the video, students will be able to explain the general structure of the nervous system, identify the parts of the central and peripheral nervous systems, describe the two directions of information transmission in the body, understand what a nerve impulse is, and explain how the structure of the neuron is appropriate for its role in transmitting information. Key topics in the video: The visible and hidden parts of communication The nervous system and its role in the body The central nervous system The brain and spinal cord The peripheral nervous system Peripheral nerves and nerve fibers Transfer of information from the body's organs to the central nervous system Transfer of commands from the brain to the body's organs Nerve impulses Information from sensory organs and sensory cells in internal organs Activation of muscles and glands The role of the spinal cord in the transmission of nerve fibers Nerve cells and neurons Cell body, dendrites and axon Transfer of information to a nerve cell, muscle cell or gland cell The cerebral cortex, cell bodies and axons Thinking, planning, language, learning and memory Folds, grooves and protrusions in the cerebral cortex Target audience: The video is intended for eighth-grade students studying life sciences, and is especially suitable for studying Chapter 3, Review of the nervous system, neurons, nerve impulses and exam preparation. If the video helped you understand the material, don't forget to like the video and subscribe to the channel.