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This lesson helps you understand the process of hearing.
The withdrawal reflex is a spinal reflex that ensures moving away from potentially...
Learn about the human sense organs and their functions and how to keep them healthy.
The central nervous system consists of the brain and the spinal cord, the peripheral...
The reflex triggered by the stretching of the thigh extensor muscle is the patellar reflex.
This animation introduces the most important systems of the human body.
Neurons transmit electrical signals via chemical and electrical synapses.
Levels of biological organization from the level of the individual organism to the level...