Lesson
Lesson-2.9.10- understand the role of neurotransmitters at synapses.
No content available for this lesson.
Lesson-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.PreviousLesson-2.9.11- describe the structure and functioning of a simple reflex arc illustrated by the withdrawal of a finger from a hot object.Next