APHY 201 Ch 1, 2: Homeostasis, Chemistry Ivy
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polysacchrides that animal cells use to store sugar
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1 cellulose 2 triglycerides
3 glycogen 4 cholesterol
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,Terms in this set (89) Hide definitions
explain why chemistry is an all the cells in your organs are composed of
important part of the study of chemicals and chemical reactions are involved in
physiology all of your body's movements and cycles
matter Anything that occupies space and has mass; the
physical material of the universe
element a pure substance that cannot be created or broken
down by ordinary chemical means
most abundant elements in humans oxygen (O), carbon (C), hydrogen (H), nitrogen (N)
compound substance composed of two or more elements
joined by chemical bonds
, proton A subatomic particle that has a positive charge and
that is found in the nucleus of an atom
neutron A subatomic particle that has no charge and that is
found in the nucleus of an atom
electron A subatomic particle that has a negative charge
and found outside the nucleus
nucleus center of an atom, contains protons and neutrons
atomic number the number of protons in the nucleus of an atom,
which determines the chemical properties of an
element and its place in the periodic table