| A | B |
| anatomy | study of form of organism's structures |
| physiology | study of function of organism's structures |
| tissue | cells performing common function |
| organ | tissues performing specific task |
| organ system | organs perform vital body function |
| epithelium | covers and lines |
| basal lamella | separates epithelium from underlying tissue |
| simple epithelium | single cell layered |
| stratified epithelium | multiple cell layered |
| pseudostratified epithelium | single layered appears multilayered |
| squamous cells | flattened cells |
| cuboidal cells | cells as tall as wide |
| columnar cells | cells taller than their width |
| connective tissue | cells scattered in extracellular matrix |
| loose connective tissue | matix of loosly woven fibers |
| fibrous connective tissue | matrix of densely packed parallel fibers |
| adipose tissue | stored fat in large cells with few fibers |
| cartilage | flexible collagen fibers in rubbery matrix |
| bone | collagen fibers in hard mineral matrix |
| blood | liquid matrix with suspended cells |
| muscle tissue | parallel contractile fibers |
| skeletal muscle | striated cells voluntary tissue |
| cardiac muscle | striated branched cells |
| smooth muscle | unstriated cells involuntary tissue |
| nervous tissue | senses stimuli transmits information |
| neuron | cell conducts electrical impulses |
| endocrine system | chemical regulation of body activities |
| skeletal system | framework protects organs levers produces movement |
| circulatory system | delivers nutrients carries away wastes |
| respiratory system | gaseous exchange with environment |
| muscular system | produces movement heat maintains posture |
| integumentary system | protects against mechanical damage, infection, heat/colf, water loss |
| lymphatic system | returns interstitial fluids to blood |
| immune system | fights disease/cancer |
| excretory system | removes nitrogen waste maintains water balance |
| digestive system | ingest/digests food absorbs nutrients |
| reproductive system | produces gametes |
| nervous system | coordinates body activities |
| X-rays | produces photographic images of hard tissues |
| Computed Tomography (CT) | computer asssited images of thin slices of body |
| Magnetic Resonance Imaging (MRI) | magnets align water molecules to form radio wave images of tissues |
| Positron Emission Tomography (PET) | radioactive tracers used to image metabolites |
| interstitial fluid | fluid surrounding cells |
| homeostasis | internal steady state when external environment changes |
| negative feedback | change in trigger mechanism reverses change |