still to learn intro human body

chemical level

atoms and molecules

cellular level

molecules form cells

cells are the basic structural and functional units of living organisims

tissue

groups of similar cells performing specific functions

organ level

tissues join to form organs

organs have recognizable structures and specific functions

system level

related organs sharing a common function

organismal level

a living human body all parts function together

anterior

closer to front of body

posterior

closer to back of body

superior

toward the head

inferior

away from the head

lateral

further from midline

medial

closer to midline

proximal

close point of attachment to torso

distal

away from point of attachment to torso

superfical

towards surface of the body

deep

away from surface of body

cranial cavity

contains brain and spinal cord

vertebral cavity

contains the spinal cord

thoracic cavity

contains, lungs, heart, esophagus, trachea, aorta

abdominopelivic

contains stomach, spleen, liver, gallbaldder, small intestine, parts of large intestine, kidneys and pancreas