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