Wilburworld of Science

Unit 10: Homeostasis, Nervous & Endocrine System
Objective:  Explain how the nervous system (brain, spinal cord, sensory neurons, motor neurons) mediates communication between different parts of the body and the body's interactions with the environment.  Identify the basic unit of the nervous system, the neuron, and explain generally how it works.     Std. 4.4
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Objective:  Recognize that the communication between cells is required for coordination of body functions.  The nerves communicate with electrochemical signals, hormones circulate through the blood, and some cells produce signals to communicate only with nearby cells.     Std. 4.7
Objective:  Recognize that the body's systems interact to maintain homeostasis.  Describe the basic function of a physiological feedback loop.  Std. 4.8
positive & negative feedback loops
Nervous System
Endocrine System