the simpliest level of organization including atoms and molecules
chemical level
standard reference body position
anatomical position
smallest particle of an element
atom
control center
nuclues
4 major tissue types
epitheleal, connective, muscular, nerves
cells working together
tissue level
towards the head
superior
bonds sharing electrons
covalent
ATP production
mitochondria
covers surfaces
epitheleal
different tissue working together
organ system
closer to the midline
medial
water property absorbing heat
high heat capacity
selectively permeable membrane
cell membrane
responsible movement
muscular
group of organs working together
organ system level
divides the body into a front and back
frontal plane
pH below 7
acidic
movement from high to low
diffusion
supports and binds
connective
maintaining an internal balance
homeostasis
contains spinal column
vertebral cavity
breaking molecules down
decomposition
movement of water across a membrane
osmosis
communication tissue
nervous