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Intro to Anat/Phys

Information from the Introduction to Anatomy/Physiology Unit

Metabolism All the chemical operations that occur in the body
Respiration A term referring to the absorption, transport, and use of oxygen by cells
Structure Relates to the study of anatomy
Function Relates to the science of physiology
Cytology The microscopic anatomy concerning the internal structure of cells
Histology The specialized science that involves the study and examination of tissues
Levels of Organization (Smallest to Largest) Chemical, cellular, tissue, organ, organ system, organism
Levels of Organization (Largest to Smallest) Organism, organ system, organ, tissue, cellular, chemical
Cells The smallest living units in the human body
Atoms The smallest stable units of matter
Endocrine System Directing long-term changes in the activities of other organ systems
Cardiovascular System Transporting cells and dissolved materials, including nutrients, wastes, and gases
Integumentary System The organ system responsible for protection from environmental hazards and involved in temperature control
Homeostasis Existence of a stable internal environment
Stimulus Activate the mechanisms that control homeostasis
Negative Feedback The regulatory mechanism that occurs when a variation outside of normal limits triggers an automatic response that corrects the situation Thermoregulation is controlled by negative feedback
Positive Feedback The mechanism where the initial stimulus produces a response that reinforces the stimulus
Thoracic Body Cavity Contains the pleural and pericardial cavities
Ventral Body Cavity Divided into a superior thoracic cavity and an inferior abdominopelvic cavity Organs within the ventral body cavity make up the viscera
Peritoneum Serous membrane lining the abdominopelvic cavity
Diaphragm Separates the abdominopelvic cavity from the pleural cavity
Homeostatic Regulation Involves a receptor, a control center, and an effector Failure of homeostatic regulation results in disease
Cephalic Refers to head region
Mediastinum Stabilizes the pericardial cavity
Parietal Forms outer wall of body cavity
Viscera Internal organs in thoracic and abdominopelvic cavities
Created by: cadencesneed



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