The Nervous & Endocrine System
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What does Homeostasis mean?
Which of the Nervous System & the Endocrine System is the electrical messenger?
Nervous Sytem is the electrical messenger system
Which of the Nervous System & the Endocrine System is the chemical messenger?
Endocrine System is the chemical messenger system
Of the nervous system, Somatic & Autonomic, which is external (voluntary) and which is internal (involuntary)?
Somatic - External (voluntary)
Autonomic - Internal (involuntary)
The Autonomic branch of the nervous system further branches into sympathetic and parasympathetic. What do they do?
Sympathetic - Increases activity
Parasympathetic - Decreases activity
Tip: opposite of what you'd think
What is the CNS made up of?
The brain & spinal cord
What is the sequence of Nervous System activity?
CNS - Afferent nerves - Efferent nerves
Afferent nerves - incoming information about changes
CNS - Interpretation & decision making
Efferent nerves - Outgoing information about a response
The Autonomic branch of the CNS/PNS is the internal (involuntary) branch which detects changes internally....
Chemoreceptors - Detect changes in level of chemicals through body
Thermoreceptors - Detect temperature changes in all tissues (thermometer)
Baroreceptors - Detect changes in blood pressue - in walls
Proprioreceptors - Detect changes in body position - in muscles & tissues
The autonomic nervous system
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