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44 Cards in this Set

  • Front
  • Back
the study of morphology or structure of organisms
anatomy
the scientific study of body functions
physiology
the structure of a body part influences its...
...function
function has an effect on...
...structure
study of external features
surface anatomy
study of cellular structure
cytology
study of prenatal development
embryology
study of body's defense against disease
immunology
study of drug action in the body
pharmacology
study of structural and functional changes associated with disease
pathology
6 levels of organization in body
chemical, cell, tissue, organ, organ systems, total organism
the basic living unit of all organisms
cell
a collection of cells with similar structure and function
tissue
the phase of metabolism in which complex substances are broken down into simpler ones
catabolism
a building-up process in which complex substances are synthesized from simpler ones
anabolism
maintenance of a relatively stable internal environment
homeostasis
any condition that disrupts homeostasis
stressor
action that has an effect opposite to a deviation from normal;action to maintain homeostasis
negative feedback
mechanisms that stimulate or amplify changes
positive feedback
divides body into right and left halves
midsagittal plane
divides body into superior and inferior portions
transverse plane
divides body into anterior and posterior portions
frontal plane
divides the body into right and left portions
sagittal plane
contains the cranial and spinal cavities
dorsal cavity
containes the thoracic and abdominopelvic cavities
ventral cavities
contains the brain
cranial cavity
contains the heart and lungs
abdoinopelvic cavity
contains the liver, stomach, and spleen
abdominal cavity
contains the spinal cord
spinal cavity
contains the urinary bladder and rectum
pelvic cavity
consists of the skin, hair, and sweat glands; protective covering of the body
integumentary system
bones and ligaments; forms the framework of the body
skeletal system
processes food into usable molecules; esophagys, stomach, liver, and pancreas
digestive system
trachea, bronchi, and lungs
respiratory system
removes nitrogenous wastes from the blood; regulates fluid and chemical content of the body
urinary system
glands that secrete hormones; chemical messengers that regulate body activities
endocrine system
cleanses lymph and returns it to the blood; part of the body's defense system; tonsils, spleen, lymph nodes, and thymus
lymphatic system
brain, spinal cord, nerves, and sense receptors; transmits impulses to coordinate body activities
nervous system
blood, heart, and blood vessels; transports nutrients, hormones, and oxygen
cardiovascular system
produces movement and maintains posture
muscular system
ovaries and testies
reproductive system
10 life processes that distinguish living organisms from non-living forms
organization, metabolism, responsiveness, movement, reproduction, growth, differentiation, respiration, digestion, excretion
5 physical factors from the environment that are essential to human life
pressure, heat, nutrients, oxygen, water
anatomical position
body is erect, face is forward, arms at sides, palms are forward, feet and toes are forward