Lesson
Lesson-2.9.8- understand that the central nervous system consists of the brain and spinal cord and is linked to sense organs by nerves.
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Lesson-2.9.7- describe how nervous and hormonal communication control responses and understand the differences between the two systems.PreviousLesson-2.9.9- understand that stimulation of receptors in the sense organs sends electrical impulses along nerves into and out of the central nervous system, resulting in rapid responses.Next