The Nervous & Endocrine System

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_{What does}Homeostasis_mean?

Same state
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

Sympathetic nerves

Author:	KellyCooper
ID:	132395
Card Set:	The Nervous & Endocrine System
Updated:	2012-02-02 11:46:39
Tags:	Nervous
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Description:	Nervous & Endocrine System
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