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17 Cards in this Set
- Front
- Back
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what are the six levels of structure? |
1.chemical 2. cellular 3.tissue 4.organ 5.system 6. Organismal |
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what are the 11 body systems? |
1. |
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what is homeostasis? |
the equilibrium or balance of the internal environment |
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What is ICF? |
intracellular fluid: 2/3 of body fluid |
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What is ECF? |
Extracellular Fluid: 1/3 of body fluid |
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what is ECF comprised of ? |
80% Interstitial 20% plasma |
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what are the two forms of feedback? |
Negative and positive feedback |
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Whats an example of negative feedback? |
blood pressure regulation |
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what is an example of positive feedback? |
child birth |
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What are the divisions of the nervous system? |
CNS & PNS |
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What is CNS? |
Central Nervous system: -Brain and spinal Cord -Integration and Command Centre |
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What is PNS? |
Peripheral Nervous System: -Paired Spinal and Cranial nerves carrying messages to and from CNS |
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Two functional divisions of PNS |
Sensory (Afferent) -impulses from skin, skeletal muscles, joints and visceral organs Motor (Efferent) -impulses from CNS to effector organs |
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Motor (Efferent) Divisions |
Somatic and Autonomic |
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Describe Somatic Nervous System |
Voluntary- conscious control of skeletal muscles |
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Describe Autonomic Nervous System |
Involuntary- Regulates smooth muscle, cardiac muscle and glands has two subdivisions: sympathetic and parasympathetic |
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Three functions of the nervous system |
Sensory Motor Integrative |
