Systems of the Human Body 1: Moving and Controlling the Body – Nervous System

Systems of the Human Body 1: Moving and Controlling the Body – Nervous System


Sound waves enter the ear and cause movements
of the eardrum and the smallest bones in the body, the ossicles, within the middle ear
compartment. Those movements ultimately cause nerve impulses to be generated that travel
up to the brain so we can make sense of what we hear. To access a comprehensive array of complete
multimedia lessons, as well as the most up-to-date, standards-based curriculum content that’s
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