A&P chp7

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Author:
jakeog14
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243811
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A&P chp7
Updated:
2013-10-29 22:40:51
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A&P
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  1. What is chemistry?
    Composition of matter, changes in its composition
  2. Body chemicals include?
    water, proteins, carbohydrates
  3. What is matter and what three states are there?
    • -Matter is anything that takes up space
    • -liquids, gases, solids
  4. Atoms consist of what?
    • -Protons (positive charge)
    • -Neutrons (neutral, uncharged)
    • -Electrons (negative charge)
  5. # of proteins in an atom
    Atomic number
  6. Number of protons and neutrons in an elements nucleaus
    Atomic weight
  7. Has nuclei with the same number of protons but a different number of neutrons
    Isotopes
  8. Cations are?
    Anions are?
    • -positive
    • -negative
  9. Substances that release ions in water
    Electrolytes
  10. Electrolytes that release hydrogen ions in water
    Acid
  11. Electrolytes that release ions that bond with hydrogen ions
    Bases
  12. The study of organs and their location in the body
    Anatomy
  13. The study of the processes and functions of the body
    Physiology
  14. Two groups of chemicals
    • -Organic: always contain carbon and hydrogen, many dissolve in water
    • -Inorganic: Do not contain carbon and hydrogen, release ions in water (electrolytes)
  15. Fats, not soluble in water
    lipids
  16. Most abundant organic compound of body, vital for body function, energy
    Proteins
  17. What are cells and what do they do?
    Cells are foundation of human body, cells grow, form tissues
  18. Two general classes of cells
    Sex cells, Somatic Cells
  19. Parts of cell
    cell membrane, nucleus, Cytoplasm
  20. Controls movement of substances in and out of the cell. lipids and proteins are the primary substances making up cell membranes.
    Cell Membrane
  21. Helps body produce ATP (organelles)
    Mitochondria
  22. Movement of a solvent from an area of low concentration to one of high concentration
    Osmosis
  23. Tendency of water to move by osmosis across a membrane
    Osmotic pressure
  24. Movement of solutes from an area of high concentration to one of low concentration
    Diffusion
  25. Process in which a carrier molecule moves a substance in or out of cells, from areas of high concentration to areas of lower concentration
    Facilitated Diffusion

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