Card Set Information
What is chemistry?
Composition of matter, changes in its composition
Body chemicals include?
water, proteins, carbohydrates
What is matter and what three states are there?
-Matter is anything that takes up space
-liquids, gases, solids
Atoms consist of what?
-Protons (positive charge)
-Neutrons (neutral, uncharged)
-Electrons (negative charge)
# of proteins in an atom
Number of protons and neutrons in an elements nucleaus
Has nuclei with the same number of protons but a different number of neutrons
Substances that release ions in water
Electrolytes that release hydrogen ions in water
Electrolytes that release ions that bond with hydrogen ions
The study of organs and their location in the body
The study of the processes and functions of the body
Two groups of chemicals
: always contain carbon and hydrogen, many dissolve in water
: Do not contain carbon and hydrogen, release ions in water (electrolytes)
Fats, not soluble in water
Most abundant organic compound of body, vital for body function, energy
What are cells and what do they do?
Cells are foundation of human body, cells grow, form tissues
Two general classes of cells
Sex cells, Somatic Cells
Parts of cell
cell membrane, nucleus, Cytoplasm
Controls movement of substances in and out of the cell. lipids and proteins are the primary substances making up cell membranes.
Helps body produce ATP (organelles)
Movement of a solvent from an area of low concentration to one of high concentration
Tendency of water to move by osmosis across a membrane
Movement of solutes from an area of high concentration to one of low concentration
Process in which a carrier molecule moves a substance in or out of cells, from areas of high concentration to areas of lower concentration