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A&P Chapter 1

Tri - Rivers School of Practical Nursing

Negative Feedback Mechanism *Body's response *Reverses stimulus
Positive Feedback Mechanism *Requires external brake *ex: labor contractions
Parietal Crown of Head
Levels of Organization in order Chemicals Cells Tissues Organs Organ Systems
Nervous System *interprets sensory information *regulates body functions
Meninges *Lines the dorsal cavity *Covers brain & spinal cord
Mediastinum Open cavity where the heart sits
Lymphatic Systems *Returns tissue fluid to blood *Destroys pathogens & Provides immunity
Pathophysiology Disorders of functions
Created by: aepnkbird