BIOL 251- Anatomy and Physiology Exam 1 EXAM,
MOST TESTED QUESTIONS AND VERIFIED
SOLUTIONS/GET IT 100% ACCURATE!! 2026!!
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Terms in this set (434)
Anatomy the various structures of the body, what they look
like, and their relationship to one another
Gross Anatomy structures visible to the naked eye
Regional Anatomy specific regions of the body such as the head or
chest
can find organs from different systems in the same
region
systemic anatomy studies the anatomy of each functional body
system
systems span across multiple regions
Microscopic Anatomy deals with structures too small to be seen with the
naked eye
Cytology study of cells
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Histology study of tissues
physiology how these individual body parts work (or function)
on a normal level
principle of complementarity of what a structure can do is dependent on its form
structure and function
bones are hard and hold up most of our body
weight
chemical level of organization atoms and molecules
cellular level of organization smallest living unit of the body
cells function differently depending on where they
are found
tissue level of organization collections of 2 or more cells that carry out a
similar function
Four Basic Types of Tissue epithelial, connective, muscle, nervous
organ any structure with two or more tissue types
Organ level of organization tissues operate together to perform a certain
function
Organ System Level of organiztion multiple organs work together to accomplish a
purpose
Organismal Level of Organization All organ systems working together to keep the
organism alive
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Necessary Life Function #1 - cell level --> cell membranes keep organelles
Maintaining Boundaries together and separate intercellular and
extracellular fluid
organismal level --> skin holds us together,
prevents water loss, and helps prevent the
entrance of pathogens
Necessary Life Function #2- Cooperation of skeletal and muscular systems to
Movement coordinate actions
Necessary Life Function #3- Sensing environmental changes and responding to
Responsiveness (or Excitability) them
Are all cells responsive? yes to a certain extent, but CNS cells are the most
responsive
Necessary Life Function #4- Food is broken down to simple molecules to be
Digestion absorbed to blood and delivered to various tissues
Necessary Life Function #5- Catabolism, Anabolism, and Cellular Respiration
Metabolism
Catabolism breaking down
anabolism building up
cellular respiration ATP Production through glucose and oxygen
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Necessary Life Function #6- Removal of Waste produced during digestive and
Excretion metabolic functions
ex- Digestive waste, urine, respiratory release of
CO2
Necessary Life Function #7- Cell Level --> cells must divide for organism to
Reproduction survive
Organismal level --> Production of offspring
Necessary Life Function #8- Growth Increase in the number of body cells, or increase in
size of individual cells themselves
anabolic rate must be greater than catabolic rate
Survival Need 1- Nutrients Brought into the body by ingestion
include carbs, fats, proteins, vitamins and minerals
Survival Need 2- Oxygen cells can only survive a few minutes without
oxygen
Survival Need 3- Water Primary solvent in the body, provides environment
for chemical reactions and serves as fluid base for
secretions and excretion
Survival Need 4 - Endothermy body temperature must be maintained for chemic
processes to occur (98.6)
Survival Need 5- Atmospheric breathing and gas exchange occur at an
Pressure appropriate atmospheric pressure
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