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 |