body structures and organization of the body
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14 Terms
anatomy
study or body structure
physiology
study of the function
homeostasis
achieved when body’s systems and processes maintain stability
organ systems rely on ea other to achieve homeostasis
if disease is present within one system, other systems will be affected
cells
smallest living unit in the body
tissues
cells that are similar and organized form together as tissues
organ
2 or more tissue types form to create organs
organ system
a grp of organs that work together to perform complicated tasks
cell membrane
outer layer, thin and permeable, allows sybstances to pass thru
cytoplasm
liquid containing cells structures
mitochondria
makes energy (ATP) for the cell (powerhouse)
nucleus
contains chromosomes (DNA), tells cell what to do
DNA
chemical name for molecule that carries genetic instructions in all living things
gene
portion of DNA that determines body trait
heredity
transfer of genetic traits from parent to child
46 chromosomes
(22 pairs => 44 total and 1 pair of sex chromosomes)
Note 
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