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Feedback Loop
Thes flow of information that ensures the needs of cells are met
Homeostasis
The process by which organisms regulate their internal environments to maintain a relatively stable environment (balance)
Stimulus
A stressor or what the body detects
Sensor/Receptor
Detects the stimulus
Input Message
How the information is transmitted
Processor
What receives the information, makes sense of it, and orders the response
Output Message
How the "orders" are transmitted
Effector
What takes the action
Response
What the effector does
Nervous System
The body's speedy, electrochemical communication, network consisting of the brain, spinal cord, and all the nerve cells of the body
Central Nervous System
The brain and spinal cord
Neuron
a specialized cell transmitting nerve impulses; a nerve cell.
Nerve impulses
Electrochemical changes that neurons use to transmit information
Hormones
Chemicals produced by your glands that regulate the activities of different body cells
Glands
Organs or tissues in the body that create chemicals that control many of our bodily functions