Human Anatomy Test Guide - Human Anatomy Test Guide Anatomy...

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Human Anatomy Test Guide Anatomy- study of structure Physiology- Study of function Characteristics of living Movement- ability to move from one place to another Responsiveness- the ability to sense changes in the environment and make adjustment that help maintain life Growth- results in an increase in size. Can be caused by an increase in cell number cell size or the amount of substance surrounding cells Reproduction- the formation of new cells or new organism Respiration- breathing: the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation Digestion- the organic process by which food is converted into substances that can be absorbed into the body Absorption- Circulation- Assimilation- the process of absorbing nutrients into the body after digestion Excretion- this is a general term for removal of substances from the body. Requirements of life Water Oxygen Pressure Food Heat Homeostasis- Maintenance of a constant internal environment in an organism Negative feedback- opposite of the initial stimulus Positive feedback- farther a stimulus Atoms Molecules Macromolecules Organelles Cells Tissues Organ Organ system Organism Axial- head neck trunk (Contains two major body cavities which hold organs called the visceral organ) Dorsal cavity Cranial cavity (houses the brain) Vertebral cavity (contains spinal cord)
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