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,What is the difference between anatomy and physiology - correct ans:anatomy- study of structure
physiology- study of function
what are the levels of organization - correct ans:subatomic particle- protons, electrons, neutrons
atom
molecule
macromolecule
organelle
cell
tissue
organ
organ system
organism
what are the characteristics of life? - correct ans:movement
responsiveness
respiration
absorption
secretion
digestion
assimilation- changing of absorbed substances into chemically different forms
circulation
reproduction
growth
what are the requirements of life? - correct ans:water
food
heat
pressure
, oxygen
define homeostasis - correct ans:maintaining of a stable enviroment
what is a homeostatic mechanism - correct ans:monitors aspects of internal environment and corrects
as needed
*negative feedback mechanism
define matter - correct ans:anything that takes up space and has mass
element - correct ans:composed of chemically identical atoms
atom - correct ans:smallest particle of atom, basic unit of matter
what are structure of an atom - correct ans:nucleus
protons
neutron
electrons
define nucleus, proton, electron, neutron - correct ans:nucleus- central part of atom
proton- positive charge
electron- negative charge
neutron- no electrical charge
ionic bond - correct ans:formed when electrons are transferred from one atom to another
what are covalent bonds - correct ans:when two molecules share electron