an organic compound
found in living organisms that is
insoluble (or only sparingly soluble) in
water but soluble in nonpolar
organic solvents.
Lipids
provide a major way of storing chemical energy and
carbon atoms in the body
Lipids as fats
Fat
surround and insulate vital
body organs, providing protection
from mechanical shock and
preventing excessive loss of heat
energy.
phospholipid bilayer
the basic structure of all biological
membranes, including the cell
membrane.
hydrophilic
heads facing outward
hydrophobic
tails facing inward